diff --git a/Cargo.lock b/Cargo.lock
index 26b70fd243..a2b5c8e205 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -433,7 +433,7 @@ dependencies = [
 [[package]]
 name = "beefy-gadget"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "beefy-primitives",
  "fnv",
@@ -462,7 +462,7 @@ dependencies = [
 [[package]]
 name = "beefy-gadget-rpc"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "beefy-gadget",
  "beefy-primitives",
@@ -486,12 +486,12 @@ dependencies = [
 [[package]]
 name = "beefy-merkle-tree"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 
 [[package]]
 name = "beefy-primitives"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -684,7 +684,7 @@ dependencies = [
 [[package]]
 name = "bp-header-chain"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "finality-grandpa",
  "frame-support",
@@ -700,7 +700,7 @@ dependencies = [
 [[package]]
 name = "bp-message-dispatch"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-runtime",
  "frame-support",
@@ -712,7 +712,7 @@ dependencies = [
 [[package]]
 name = "bp-messages"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitvec",
  "bp-runtime",
@@ -728,7 +728,7 @@ dependencies = [
 [[package]]
 name = "bp-polkadot-core"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-messages",
  "bp-runtime",
@@ -746,7 +746,7 @@ dependencies = [
 [[package]]
 name = "bp-rococo"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-messages",
  "bp-polkadot-core",
@@ -763,7 +763,7 @@ dependencies = [
 [[package]]
 name = "bp-runtime"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "hash-db",
@@ -781,7 +781,7 @@ dependencies = [
 [[package]]
 name = "bp-test-utils"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-header-chain",
  "ed25519-dalek",
@@ -796,7 +796,7 @@ dependencies = [
 [[package]]
 name = "bp-wococo"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-messages",
  "bp-polkadot-core",
@@ -811,7 +811,7 @@ dependencies = [
 [[package]]
 name = "bridge-runtime-common"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-message-dispatch",
  "bp-messages",
@@ -1064,9 +1064,13 @@ version = "2.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
 dependencies = [
+ "ansi_term",
+ "atty",
  "bitflags",
+ "strsim 0.8.0",
  "textwrap 0.11.0",
  "unicode-width",
+ "vec_map",
 ]
 
 [[package]]
@@ -1081,7 +1085,7 @@ dependencies = [
  "indexmap",
  "lazy_static",
  "os_str_bytes",
- "strsim",
+ "strsim 0.10.0",
  "termcolor",
  "textwrap 0.14.2",
 ]
@@ -2557,7 +2561,7 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 [[package]]
 name = "fork-tree"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
 ]
@@ -2575,7 +2579,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2596,11 +2600,10 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking-cli"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "Inflector",
  "chrono",
- "clap 3.0.7",
  "frame-benchmarking",
  "frame-support",
  "handlebars",
@@ -2617,12 +2620,13 @@ dependencies = [
  "sp-keystore",
  "sp-runtime",
  "sp-state-machine",
+ "structopt",
 ]
 
 [[package]]
 name = "frame-election-provider-support"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2636,7 +2640,7 @@ dependencies = [
 [[package]]
 name = "frame-executive"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -2664,7 +2668,7 @@ dependencies = [
 [[package]]
 name = "frame-support"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "bitflags",
  "frame-metadata",
@@ -2693,7 +2697,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "Inflector",
  "frame-support-procedural-tools",
@@ -2705,7 +2709,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate 1.1.0",
@@ -2717,7 +2721,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools-derive"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2727,7 +2731,7 @@ dependencies = [
 [[package]]
 name = "frame-system"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "log",
@@ -2744,7 +2748,7 @@ dependencies = [
 [[package]]
 name = "frame-system-benchmarking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -2759,7 +2763,7 @@ dependencies = [
 [[package]]
 name = "frame-system-rpc-runtime-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -2768,7 +2772,7 @@ dependencies = [
 [[package]]
 name = "frame-try-runtime"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "sp-api",
@@ -3749,8 +3753,8 @@ dependencies = [
 
 [[package]]
 name = "kusama-runtime"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-primitives",
  "bitvec",
@@ -3837,8 +3841,8 @@ dependencies = [
 
 [[package]]
 name = "kusama-runtime-constants"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "polkadot-primitives",
@@ -4706,8 +4710,8 @@ dependencies = [
 
 [[package]]
 name = "metered-channel"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "derive_more",
  "futures 0.3.19",
@@ -4972,7 +4976,7 @@ dependencies = [
 [[package]]
 name = "node-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-system",
  "parity-scale-codec",
@@ -5181,7 +5185,7 @@ dependencies = [
 [[package]]
 name = "pallet-asset-tx-payment"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5198,7 +5202,7 @@ dependencies = [
 [[package]]
 name = "pallet-assets"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5212,7 +5216,7 @@ dependencies = [
 [[package]]
 name = "pallet-aura"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5228,7 +5232,7 @@ dependencies = [
 [[package]]
 name = "pallet-authority-discovery"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5244,7 +5248,7 @@ dependencies = [
 [[package]]
 name = "pallet-authorship"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5259,7 +5263,7 @@ dependencies = [
 [[package]]
 name = "pallet-babe"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5283,7 +5287,7 @@ dependencies = [
 [[package]]
 name = "pallet-bags-list"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-election-provider-support",
@@ -5303,7 +5307,7 @@ dependencies = [
 [[package]]
 name = "pallet-balances"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5318,7 +5322,7 @@ dependencies = [
 [[package]]
 name = "pallet-beefy"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "beefy-primitives",
  "frame-support",
@@ -5334,7 +5338,7 @@ dependencies = [
 [[package]]
 name = "pallet-beefy-mmr"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "beefy-merkle-tree",
  "beefy-primitives",
@@ -5359,7 +5363,7 @@ dependencies = [
 [[package]]
 name = "pallet-bounties"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5377,7 +5381,7 @@ dependencies = [
 [[package]]
 name = "pallet-bridge-dispatch"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-message-dispatch",
  "bp-runtime",
@@ -5394,7 +5398,7 @@ dependencies = [
 [[package]]
 name = "pallet-bridge-grandpa"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bp-header-chain",
  "bp-runtime",
@@ -5416,7 +5420,7 @@ dependencies = [
 [[package]]
 name = "pallet-bridge-messages"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitvec",
  "bp-message-dispatch",
@@ -5463,7 +5467,7 @@ dependencies = [
 [[package]]
 name = "pallet-collective"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5480,7 +5484,7 @@ dependencies = [
 [[package]]
 name = "pallet-democracy"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5496,7 +5500,7 @@ dependencies = [
 [[package]]
 name = "pallet-election-provider-multi-phase"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-election-provider-support",
@@ -5520,7 +5524,7 @@ dependencies = [
 [[package]]
 name = "pallet-elections-phragmen"
 version = "5.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5538,7 +5542,7 @@ dependencies = [
 [[package]]
 name = "pallet-gilt"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5553,7 +5557,7 @@ dependencies = [
 [[package]]
 name = "pallet-grandpa"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5576,7 +5580,7 @@ dependencies = [
 [[package]]
 name = "pallet-identity"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "enumflags2",
  "frame-benchmarking",
@@ -5592,7 +5596,7 @@ dependencies = [
 [[package]]
 name = "pallet-im-online"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5612,7 +5616,7 @@ dependencies = [
 [[package]]
 name = "pallet-indices"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5629,7 +5633,7 @@ dependencies = [
 [[package]]
 name = "pallet-membership"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5646,7 +5650,7 @@ dependencies = [
 [[package]]
 name = "pallet-mmr"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "ckb-merkle-mountain-range",
  "frame-benchmarking",
@@ -5664,7 +5668,7 @@ dependencies = [
 [[package]]
 name = "pallet-mmr-primitives"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5680,7 +5684,7 @@ dependencies = [
 [[package]]
 name = "pallet-mmr-rpc"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -5697,7 +5701,7 @@ dependencies = [
 [[package]]
 name = "pallet-multisig"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5712,7 +5716,7 @@ dependencies = [
 [[package]]
 name = "pallet-nicks"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5726,7 +5730,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5743,7 +5747,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences-benchmarking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-election-provider-support",
@@ -5766,7 +5770,7 @@ dependencies = [
 [[package]]
 name = "pallet-preimage"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5782,7 +5786,7 @@ dependencies = [
 [[package]]
 name = "pallet-proxy"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5797,7 +5801,7 @@ dependencies = [
 [[package]]
 name = "pallet-recovery"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5811,7 +5815,7 @@ dependencies = [
 [[package]]
 name = "pallet-scheduler"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5827,7 +5831,7 @@ dependencies = [
 [[package]]
 name = "pallet-session"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5848,7 +5852,7 @@ dependencies = [
 [[package]]
 name = "pallet-session-benchmarking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5864,7 +5868,7 @@ dependencies = [
 [[package]]
 name = "pallet-society"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5878,7 +5882,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-election-provider-support",
@@ -5901,7 +5905,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking-reward-curve"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro-crate 1.1.0",
  "proc-macro2",
@@ -5912,7 +5916,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking-reward-fn"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "log",
  "sp-arithmetic",
@@ -5921,7 +5925,7 @@ dependencies = [
 [[package]]
 name = "pallet-sudo"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -5950,7 +5954,7 @@ dependencies = [
 [[package]]
 name = "pallet-timestamp"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5968,7 +5972,7 @@ dependencies = [
 [[package]]
 name = "pallet-tips"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -5987,7 +5991,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -6004,7 +6008,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -6021,7 +6025,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "pallet-transaction-payment",
  "parity-scale-codec",
@@ -6032,7 +6036,7 @@ dependencies = [
 [[package]]
 name = "pallet-treasury"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -6049,7 +6053,7 @@ dependencies = [
 [[package]]
 name = "pallet-uniques"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -6064,7 +6068,7 @@ dependencies = [
 [[package]]
 name = "pallet-utility"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -6080,7 +6084,7 @@ dependencies = [
 [[package]]
 name = "pallet-vesting"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -6094,8 +6098,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-xcm"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -6112,8 +6116,8 @@ dependencies = [
 
 [[package]]
 name = "pallet-xcm-benchmarks"
-version = "0.9.8"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -6664,8 +6668,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-approval-distribution"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "polkadot-node-network-protocol",
@@ -6678,8 +6682,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-availability-bitfield-distribution"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "polkadot-node-network-protocol",
@@ -6691,8 +6695,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-availability-distribution"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "derive_more",
  "futures 0.3.19",
@@ -6713,8 +6717,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-availability-recovery"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "lru 0.7.2",
@@ -6733,10 +6737,9 @@ dependencies = [
 
 [[package]]
 name = "polkadot-cli"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
- "clap 3.0.7",
  "frame-benchmarking-cli",
  "futures 0.3.19",
  "log",
@@ -6749,6 +6752,7 @@ dependencies = [
  "sc-tracing",
  "sp-core",
  "sp-trie",
+ "structopt",
  "substrate-build-script-utils",
  "thiserror",
  "try-runtime-cli",
@@ -6756,8 +6760,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-client"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-primitives",
  "frame-benchmarking",
@@ -6859,8 +6863,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-collator-protocol"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "always-assert",
  "derive_more",
@@ -6880,8 +6884,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-core-primitives"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "parity-scale-codec",
  "parity-util-mem",
@@ -6893,8 +6897,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-dispute-distribution"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "derive_more",
  "futures 0.3.19",
@@ -6915,8 +6919,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-erasure-coding"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "parity-scale-codec",
  "polkadot-node-primitives",
@@ -6929,8 +6933,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-gossip-support"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "futures-timer",
@@ -6949,8 +6953,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-network-bridge"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -6968,8 +6972,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-collation-generation"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "parity-scale-codec",
@@ -6986,8 +6990,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-approval-voting"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitvec",
  "derive_more",
@@ -7014,8 +7018,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-av-store"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitvec",
  "futures 0.3.19",
@@ -7034,8 +7038,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-backing"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitvec",
  "futures 0.3.19",
@@ -7052,8 +7056,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-bitfield-signing"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "polkadot-node-subsystem",
@@ -7067,8 +7071,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-candidate-validation"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -7085,8 +7089,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-chain-api"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "polkadot-node-subsystem",
@@ -7100,8 +7104,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-chain-selection"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "futures-timer",
@@ -7117,8 +7121,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-dispute-coordinator"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "kvdb",
@@ -7135,8 +7139,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-parachains-inherent"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -7152,8 +7156,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-provisioner"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitvec",
  "futures 0.3.19",
@@ -7169,8 +7173,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-pvf"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "always-assert",
  "assert_matches",
@@ -7199,8 +7203,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-pvf-checker"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "polkadot-node-primitives",
@@ -7215,8 +7219,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-core-runtime-api"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "memory-lru",
@@ -7233,8 +7237,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-jaeger"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-std",
  "lazy_static",
@@ -7251,8 +7255,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-metrics"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bs58",
  "futures 0.3.19",
@@ -7270,8 +7274,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-network-protocol"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -7288,8 +7292,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-primitives"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bounded-vec",
  "futures 0.3.19",
@@ -7310,8 +7314,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-subsystem"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "polkadot-node-jaeger",
  "polkadot-node-subsystem-types",
@@ -7320,8 +7324,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-subsystem-test-helpers"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -7338,8 +7342,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-subsystem-types"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "derive_more",
  "futures 0.3.19",
@@ -7357,8 +7361,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-node-subsystem-util"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -7385,8 +7389,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-overseer"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "futures 0.3.19",
  "futures-timer",
@@ -7406,8 +7410,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-overseer-gen"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -7423,8 +7427,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-overseer-gen-proc-macro"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "proc-macro-crate 1.1.0",
  "proc-macro2",
@@ -7434,8 +7438,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-parachain"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "derive_more",
  "frame-support",
@@ -7451,8 +7455,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-performance-test"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "env_logger 0.9.0",
  "kusama-runtime",
@@ -7466,8 +7470,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-primitives"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitvec",
  "frame-system",
@@ -7496,8 +7500,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-rpc"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-gadget",
  "beefy-gadget-rpc",
@@ -7527,8 +7531,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-primitives",
  "bitvec",
@@ -7611,8 +7615,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime-common"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-primitives",
  "bitvec",
@@ -7658,8 +7662,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime-constants"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "polkadot-primitives",
@@ -7670,8 +7674,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime-metrics"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bs58",
  "parity-scale-codec",
@@ -7682,8 +7686,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime-parachains"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "bitflags",
  "bitvec",
@@ -7717,15 +7721,14 @@ dependencies = [
  "sp-session",
  "sp-staking",
  "sp-std",
- "static_assertions",
  "xcm",
  "xcm-executor",
 ]
 
 [[package]]
 name = "polkadot-service"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "async-trait",
  "beefy-gadget",
@@ -7824,8 +7827,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-statement-distribution"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "arrayvec 0.5.2",
  "derive_more",
@@ -7845,8 +7848,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-statement-table"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "parity-scale-codec",
  "polkadot-primitives",
@@ -7855,8 +7858,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-test-client"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "parity-scale-codec",
  "polkadot-node-subsystem",
@@ -7880,8 +7883,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-test-runtime"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-primitives",
  "bitvec",
@@ -7942,8 +7945,8 @@ dependencies = [
 
 [[package]]
 name = "polkadot-test-service"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-benchmarking",
  "frame-system",
@@ -8490,7 +8493,7 @@ dependencies = [
 [[package]]
 name = "remote-externalities"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "env_logger 0.9.0",
  "jsonrpsee",
@@ -8616,8 +8619,8 @@ dependencies = [
 
 [[package]]
 name = "rococo-runtime"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-primitives",
  "bp-messages",
@@ -8691,8 +8694,8 @@ dependencies = [
 
 [[package]]
 name = "rococo-runtime-constants"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "polkadot-primitives",
@@ -8830,7 +8833,7 @@ dependencies = [
 [[package]]
 name = "sc-allocator"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "log",
  "sp-core",
@@ -8841,7 +8844,7 @@ dependencies = [
 [[package]]
 name = "sc-authority-discovery"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -8868,7 +8871,7 @@ dependencies = [
 [[package]]
 name = "sc-basic-authorship"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "futures-timer",
@@ -8891,7 +8894,7 @@ dependencies = [
 [[package]]
 name = "sc-block-builder"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "sc-client-api",
@@ -8907,7 +8910,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "impl-trait-for-tuples",
  "memmap2 0.5.0",
@@ -8924,7 +8927,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec-derive"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro-crate 1.1.0",
  "proc-macro2",
@@ -8935,10 +8938,9 @@ dependencies = [
 [[package]]
 name = "sc-cli"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "chrono",
- "clap 3.0.7",
  "fdlimit",
  "futures 0.3.19",
  "hex",
@@ -8965,6 +8967,7 @@ dependencies = [
  "sp-panic-handler",
  "sp-runtime",
  "sp-version",
+ "structopt",
  "thiserror",
  "tiny-bip39",
  "tokio",
@@ -8973,7 +8976,7 @@ dependencies = [
 [[package]]
 name = "sc-client-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "fnv",
  "futures 0.3.19",
@@ -9001,7 +9004,7 @@ dependencies = [
 [[package]]
 name = "sc-client-db"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "hash-db",
  "kvdb",
@@ -9026,7 +9029,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -9050,7 +9053,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-aura"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -9079,7 +9082,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -9122,7 +9125,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe-rpc"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "derive_more",
  "futures 0.3.19",
@@ -9146,7 +9149,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-epochs"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "fork-tree",
  "parity-scale-codec",
@@ -9159,7 +9162,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-slots"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -9184,7 +9187,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-uncles"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "sc-client-api",
  "sp-authorship",
@@ -9195,7 +9198,7 @@ dependencies = [
 [[package]]
 name = "sc-executor"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "lazy_static",
  "libsecp256k1",
@@ -9223,7 +9226,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-common"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "derive_more",
  "environmental",
@@ -9241,7 +9244,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmi"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -9257,7 +9260,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmtime"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
@@ -9275,7 +9278,7 @@ dependencies = [
 [[package]]
 name = "sc-finality-grandpa"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -9313,7 +9316,7 @@ dependencies = [
 [[package]]
 name = "sc-finality-grandpa-rpc"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "derive_more",
  "finality-grandpa",
@@ -9337,7 +9340,7 @@ dependencies = [
 [[package]]
 name = "sc-informant"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "ansi_term",
  "futures 0.3.19",
@@ -9354,7 +9357,7 @@ dependencies = [
 [[package]]
 name = "sc-keystore"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -9369,7 +9372,7 @@ dependencies = [
 [[package]]
 name = "sc-network"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-std",
  "async-trait",
@@ -9420,7 +9423,7 @@ dependencies = [
 [[package]]
 name = "sc-network-gossip"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "futures-timer",
@@ -9436,7 +9439,7 @@ dependencies = [
 [[package]]
 name = "sc-offchain"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "bytes 1.1.0",
  "fnv",
@@ -9464,7 +9467,7 @@ dependencies = [
 [[package]]
 name = "sc-peerset"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "libp2p",
@@ -9477,7 +9480,7 @@ dependencies = [
 [[package]]
 name = "sc-proposer-metrics"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "log",
  "substrate-prometheus-endpoint",
@@ -9486,7 +9489,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "hash-db",
@@ -9517,7 +9520,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-api"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "jsonrpc-core",
@@ -9542,7 +9545,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-server"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "jsonrpc-core",
@@ -9559,7 +9562,7 @@ dependencies = [
 [[package]]
 name = "sc-service"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "directories",
@@ -9623,7 +9626,7 @@ dependencies = [
 [[package]]
 name = "sc-state-db"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -9637,7 +9640,7 @@ dependencies = [
 [[package]]
 name = "sc-sync-state-rpc"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -9659,7 +9662,7 @@ dependencies = [
 [[package]]
 name = "sc-telemetry"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "chrono",
  "futures 0.3.19",
@@ -9677,7 +9680,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "ansi_term",
  "atty",
@@ -9708,7 +9711,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro-crate 1.1.0",
  "proc-macro2",
@@ -9719,7 +9722,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "futures-timer",
@@ -9746,7 +9749,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "derive_more",
  "futures 0.3.19",
@@ -9760,7 +9763,7 @@ dependencies = [
 [[package]]
 name = "sc-utils"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "futures-timer",
@@ -10159,8 +10162,8 @@ checksum = "9def91fd1e018fe007022791f865d0ccc9b3a0d5001e01aabb8b40e46000afb5"
 
 [[package]]
 name = "slot-range-helper"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "enumn",
  "parity-scale-codec",
@@ -10248,7 +10251,7 @@ dependencies = [
 [[package]]
 name = "sp-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "hash-db",
  "log",
@@ -10265,7 +10268,7 @@ dependencies = [
 [[package]]
 name = "sp-api-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "blake2-rfc",
  "proc-macro-crate 1.1.0",
@@ -10277,7 +10280,7 @@ dependencies = [
 [[package]]
 name = "sp-application-crypto"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -10290,7 +10293,7 @@ dependencies = [
 [[package]]
 name = "sp-arithmetic"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "integer-sqrt",
  "num-traits",
@@ -10305,7 +10308,7 @@ dependencies = [
 [[package]]
 name = "sp-authority-discovery"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -10318,7 +10321,7 @@ dependencies = [
 [[package]]
 name = "sp-authorship"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "parity-scale-codec",
@@ -10330,7 +10333,7 @@ dependencies = [
 [[package]]
 name = "sp-block-builder"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -10342,7 +10345,7 @@ dependencies = [
 [[package]]
 name = "sp-blockchain"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "log",
@@ -10360,7 +10363,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -10379,7 +10382,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-aura"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "parity-scale-codec",
@@ -10397,7 +10400,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-babe"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "merlin",
@@ -10420,7 +10423,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-slots"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -10432,7 +10435,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-vrf"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "schnorrkel",
@@ -10444,7 +10447,7 @@ dependencies = [
 [[package]]
 name = "sp-core"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "base58",
  "bitflags",
@@ -10492,7 +10495,7 @@ dependencies = [
 [[package]]
 name = "sp-core-hashing"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "blake2-rfc",
  "byteorder",
@@ -10505,7 +10508,7 @@ dependencies = [
 [[package]]
 name = "sp-core-hashing-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -10516,7 +10519,7 @@ dependencies = [
 [[package]]
 name = "sp-database"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "kvdb",
  "parking_lot 0.11.2",
@@ -10525,7 +10528,7 @@ dependencies = [
 [[package]]
 name = "sp-debug-derive"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -10535,7 +10538,7 @@ dependencies = [
 [[package]]
 name = "sp-externalities"
 version = "0.10.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -10546,7 +10549,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-grandpa"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "finality-grandpa",
  "log",
@@ -10564,7 +10567,7 @@ dependencies = [
 [[package]]
 name = "sp-inherents"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "impl-trait-for-tuples",
@@ -10578,7 +10581,7 @@ dependencies = [
 [[package]]
 name = "sp-io"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "hash-db",
@@ -10602,7 +10605,7 @@ dependencies = [
 [[package]]
 name = "sp-keyring"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -10613,7 +10616,7 @@ dependencies = [
 [[package]]
 name = "sp-keystore"
 version = "0.10.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -10630,7 +10633,7 @@ dependencies = [
 [[package]]
 name = "sp-maybe-compressed-blob"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "zstd",
 ]
@@ -10638,7 +10641,7 @@ dependencies = [
 [[package]]
 name = "sp-npos-elections"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -10653,7 +10656,7 @@ dependencies = [
 [[package]]
 name = "sp-npos-elections-solution-type"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro-crate 1.1.0",
  "proc-macro2",
@@ -10664,7 +10667,7 @@ dependencies = [
 [[package]]
 name = "sp-offchain"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "sp-api",
  "sp-core",
@@ -10674,7 +10677,7 @@ dependencies = [
 [[package]]
 name = "sp-panic-handler"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "backtrace",
  "lazy_static",
@@ -10684,7 +10687,7 @@ dependencies = [
 [[package]]
 name = "sp-rpc"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "rustc-hash",
  "serde",
@@ -10694,7 +10697,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "either",
  "hash256-std-hasher",
@@ -10716,7 +10719,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -10733,7 +10736,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface-proc-macro"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "Inflector",
  "proc-macro-crate 1.1.0",
@@ -10745,7 +10748,7 @@ dependencies = [
 [[package]]
 name = "sp-serializer"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "serde",
  "serde_json",
@@ -10754,7 +10757,7 @@ dependencies = [
 [[package]]
 name = "sp-session"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -10768,7 +10771,7 @@ dependencies = [
 [[package]]
 name = "sp-staking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -10779,7 +10782,7 @@ dependencies = [
 [[package]]
 name = "sp-state-machine"
 version = "0.10.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "hash-db",
  "log",
@@ -10802,12 +10805,12 @@ dependencies = [
 [[package]]
 name = "sp-std"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 
 [[package]]
 name = "sp-storage"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "impl-serde",
  "parity-scale-codec",
@@ -10820,7 +10823,7 @@ dependencies = [
 [[package]]
 name = "sp-tasks"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "log",
  "sp-core",
@@ -10833,7 +10836,7 @@ dependencies = [
 [[package]]
 name = "sp-timestamp"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "futures-timer",
@@ -10849,7 +10852,7 @@ dependencies = [
 [[package]]
 name = "sp-tracing"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "sp-std",
@@ -10861,7 +10864,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-pool"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "sp-api",
  "sp-runtime",
@@ -10870,7 +10873,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-storage-proof"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "log",
@@ -10886,7 +10889,7 @@ dependencies = [
 [[package]]
 name = "sp-trie"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -10901,7 +10904,7 @@ dependencies = [
 [[package]]
 name = "sp-version"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "impl-serde",
  "parity-scale-codec",
@@ -10918,7 +10921,7 @@ dependencies = [
 [[package]]
 name = "sp-version-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "parity-scale-codec",
  "proc-macro2",
@@ -10929,7 +10932,7 @@ dependencies = [
 [[package]]
 name = "sp-wasm-interface"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "impl-trait-for-tuples",
  "log",
@@ -11143,12 +11146,42 @@ dependencies = [
  "rand 0.8.4",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
+[[package]]
+name = "structopt"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"
+dependencies = [
+ "clap 2.34.0",
+ "lazy_static",
+ "structopt-derive",
+]
+
+[[package]]
+name = "structopt-derive"
+version = "0.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0"
+dependencies = [
+ "heck 0.3.3",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "strum"
 version = "0.22.0"
@@ -11208,7 +11241,7 @@ dependencies = [
 [[package]]
 name = "substrate-build-script-utils"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "platforms",
 ]
@@ -11216,7 +11249,7 @@ dependencies = [
 [[package]]
 name = "substrate-frame-rpc-system"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "frame-system-rpc-runtime-api",
  "futures 0.3.19",
@@ -11238,7 +11271,7 @@ dependencies = [
 [[package]]
 name = "substrate-prometheus-endpoint"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-std",
  "derive_more",
@@ -11252,7 +11285,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-client"
 version = "2.0.1"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "async-trait",
  "futures 0.3.19",
@@ -11278,7 +11311,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-utils"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "futures 0.3.19",
  "substrate-test-utils-derive",
@@ -11288,7 +11321,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-utils-derive"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#511e8c860aa448c6899f884eebe64131a65300b8"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "proc-macro-crate 1.1.0",
  "proc-macro2",
@@ -11299,7 +11332,7 @@ dependencies = [
 [[package]]
 name = "substrate-wasm-builder"
 version = "5.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
  "ansi_term",
  "build-helper",
@@ -11383,8 +11416,8 @@ checksum = "13a4ec180a2de59b57434704ccfad967f789b12737738798fa08798cd5824c16"
 
 [[package]]
 name = "test-runtime-constants"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "polkadot-primitives",
@@ -11764,9 +11797,8 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 [[package]]
 name = "try-runtime-cli"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=master#31d90c202d6df9ce3837ee55587b604619a912ba"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-v0.9.16#4aeb95f7f38fcd519e2628f32f79044a8fef99d5"
 dependencies = [
- "clap 3.0.7",
  "jsonrpsee",
  "log",
  "parity-scale-codec",
@@ -11783,6 +11815,7 @@ dependencies = [
  "sp-runtime",
  "sp-state-machine",
  "sp-version",
+ "structopt",
  "zstd",
 ]
 
@@ -11954,6 +11987,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "vec_map"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
+
 [[package]]
 name = "version_check"
 version = "0.9.3"
@@ -12338,8 +12377,8 @@ dependencies = [
 
 [[package]]
 name = "westend-runtime"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "beefy-primitives",
  "bitvec",
@@ -12424,8 +12463,8 @@ dependencies = [
 
 [[package]]
 name = "westend-runtime-constants"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "polkadot-primitives",
@@ -12598,8 +12637,8 @@ dependencies = [
 
 [[package]]
 name = "xcm"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "derivative",
  "impl-trait-for-tuples",
@@ -12611,8 +12650,8 @@ dependencies = [
 
 [[package]]
 name = "xcm-builder"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -12631,8 +12670,8 @@ dependencies = [
 
 [[package]]
 name = "xcm-executor"
-version = "0.9.13"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+version = "0.9.16"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -12650,7 +12689,7 @@ dependencies = [
 [[package]]
 name = "xcm-procedural"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=master#60df3c55c711c2872872d6220f98b2611340e051"
+source = "git+https://github.com/paritytech/polkadot?branch=release-v0.9.16#d70f74c37561f8db7a62d27e15566761d2d202e6"
 dependencies = [
  "Inflector",
  "proc-macro2",
diff --git a/client/cli/Cargo.toml b/client/cli/Cargo.toml
index 705460188c..a564c13886 100644
--- a/client/cli/Cargo.toml
+++ b/client/cli/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2021"
 clap = { version = "3.0", features = ["derive"] }
 
 # Substrate dependencies
-sc-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
diff --git a/client/collator/Cargo.toml b/client/collator/Cargo.toml
index e54a04e200..872a1e01f6 100644
--- a/client/collator/Cargo.toml
+++ b/client/collator/Cargo.toml
@@ -6,17 +6,17 @@ edition = "2021"
 
 [dependencies]
 # Substrate dependencies
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Polkadot dependencies
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-node-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-node-subsystem = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-node-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-node-subsystem = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-client-network = { path = "../network" }
@@ -32,15 +32,15 @@ tracing = "0.1.25"
 
 [dev-dependencies]
 # Polkadot dependencies
-polkadot-node-subsystem-test-helpers = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-node-subsystem-test-helpers = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-test-runtime = { path = "../../test/runtime" }
 cumulus-test-client = { path = "../../test/client" }
 # Substrate dependencies
 
-sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Other dependencies
 async-trait = "0.1.42"
diff --git a/client/consensus/aura/Cargo.toml b/client/consensus/aura/Cargo.toml
index 445b42635e..7639eff9d7 100644
--- a/client/consensus/aura/Cargo.toml
+++ b/client/consensus/aura/Cargo.toml
@@ -7,22 +7,22 @@ edition = "2021"
 
 [dependencies]
 # Substrate dependencies
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-application-crypto = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus-slots = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-application-crypto = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus-slots = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-client-consensus-common = { path = "../common" }
diff --git a/client/consensus/common/Cargo.toml b/client/consensus/common/Cargo.toml
index 379f73740f..e09b1d711b 100644
--- a/client/consensus/common/Cargo.toml
+++ b/client/consensus/common/Cargo.toml
@@ -7,16 +7,16 @@ edition = "2021"
 
 [dependencies]
 # Substrate deps
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-trie = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Polkadot deps
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Cumulus deps
 cumulus-relay-chain-interface = { path = "../../relay-chain-interface" }
@@ -30,7 +30,7 @@ dyn-clone = "1.0.4"
 
 [dev-dependencies]
 # Substrate deps
-sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 # Cumulus dependencies
 cumulus-test-client = { path = "../../../test/client" }
 # Other deps
diff --git a/client/consensus/relay-chain/Cargo.toml b/client/consensus/relay-chain/Cargo.toml
index e4006ed731..4863f9f88a 100644
--- a/client/consensus/relay-chain/Cargo.toml
+++ b/client/consensus/relay-chain/Cargo.toml
@@ -7,16 +7,16 @@ edition = "2021"
 
 [dependencies]
 # Substrate deps
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Polkadot dependencies
 
diff --git a/client/network/Cargo.toml b/client/network/Cargo.toml
index 18a4a8c3a0..aa010b388e 100644
--- a/client/network/Cargo.toml
+++ b/client/network/Cargo.toml
@@ -7,18 +7,18 @@ edition = "2021"
 
 [dependencies]
 # Substrate deps
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Polkadot deps
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-node-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-node-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 cumulus-relay-chain-interface = { path = "../relay-chain-interface" }
 
@@ -40,16 +40,16 @@ cumulus-primitives-core = { path = "../../primitives/core" }
 cumulus-relay-chain-local = { path = "../relay-chain-local" }
 
 # Polkadot deps
-polkadot-test-client = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-client = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-test-client = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-client = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # substrate deps
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
diff --git a/client/pov-recovery/Cargo.toml b/client/pov-recovery/Cargo.toml
index 1c2c757209..260274cdce 100644
--- a/client/pov-recovery/Cargo.toml
+++ b/client/pov-recovery/Cargo.toml
@@ -7,18 +7,18 @@ edition = "2021"
 
 [dependencies]
 # Substrate deps
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-maybe-compressed-blob = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-maybe-compressed-blob = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Polkadot deps
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-node-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-node-subsystem = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-node-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-node-subsystem = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Cumulus deps
 cumulus-primitives-core = { path = "../../primitives/core" }
@@ -38,7 +38,7 @@ tokio = { version = "1.10", features = ["macros"] }
 cumulus-test-service = { path = "../../test/service" }
 
 # substrate deps
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
diff --git a/client/relay-chain-interface/Cargo.toml b/client/relay-chain-interface/Cargo.toml
index b76ebcc313..2a912329ec 100644
--- a/client/relay-chain-interface/Cargo.toml
+++ b/client/relay-chain-interface/Cargo.toml
@@ -5,17 +5,17 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 cumulus-primitives-core = { path = "../../primitives/core" }
 
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 futures = "0.3.1"
 parking_lot = "0.11.1"
diff --git a/client/relay-chain-local/Cargo.toml b/client/relay-chain-local/Cargo.toml
index a5150afeab..c41dee5969 100644
--- a/client/relay-chain-local/Cargo.toml
+++ b/client/relay-chain-local/Cargo.toml
@@ -5,25 +5,25 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-polkadot-client = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-client = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 cumulus-primitives-core = { path = "../../primitives/core" }
 cumulus-relay-chain-interface = { path = "../relay-chain-interface" }
 
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus-babe = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus-babe = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-network = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 parking_lot = "0.11.1"
 tracing = "0.1.25"
@@ -36,8 +36,8 @@ futures-timer = "3.0.2"
 cumulus-test-service = { path = "../../test/service" }
 
 # Polkadot deps
-polkadot-test-client = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-test-client = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # substrate deps
-sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
diff --git a/client/service/Cargo.toml b/client/service/Cargo.toml
index ec2cd3ca86..e11129b541 100644
--- a/client/service/Cargo.toml
+++ b/client/service/Cargo.toml
@@ -13,22 +13,22 @@ cumulus-relay-chain-interface = { path = "../relay-chain-interface" }
 cumulus-primitives-core = { path = "../../primitives/core" }
 
 # Substrate dependencies
-sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus-babe = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus-babe = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Polkadot dependencies
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-overseer = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Other deps
 tracing = "0.1.22"
diff --git a/pallets/aura-ext/Cargo.toml b/pallets/aura-ext/Cargo.toml
index c6cb38248c..feae983736 100644
--- a/pallets/aura-ext/Cargo.toml
+++ b/pallets/aura-ext/Cargo.toml
@@ -7,14 +7,14 @@ description = "AURA consensus extension pallet for parachains"
 
 [dependencies]
 # Substrate dependencies
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-application-crypto = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-application-crypto = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Other Dependencies
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"]}
diff --git a/pallets/collator-selection/Cargo.toml b/pallets/collator-selection/Cargo.toml
index c36a52ea2b..193ae03269 100644
--- a/pallets/collator-selection/Cargo.toml
+++ b/pallets/collator-selection/Cargo.toml
@@ -19,25 +19,25 @@ rand = { version = "0.7.2", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.132", default-features = false }
 
-sp-std = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-staking = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-support = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-system = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-authorship = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-session = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-std = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-staking = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-support = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-system = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-authorship = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-session = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
-frame-benchmarking = { default-features = false, optional = true, git = "https://github.com/paritytech/substrate", branch = "master" }
+frame-benchmarking = { default-features = false, optional = true, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [dev-dependencies]
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-aura = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = ["std"]
diff --git a/pallets/dmp-queue/Cargo.toml b/pallets/dmp-queue/Cargo.toml
index 13075e5504..9d8febf7d2 100644
--- a/pallets/dmp-queue/Cargo.toml
+++ b/pallets/dmp-queue/Cargo.toml
@@ -11,22 +11,22 @@ scale-info = { version = "1.0.0", default-features = false, features = ["derive"
 log = { version = "0.4.14", default-features = false }
 
 # Substrate Dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Polkadot Dependencies
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Cumulus Dependencies
 cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
 
 [dev-dependencies]
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/pallets/parachain-system/Cargo.toml b/pallets/parachain-system/Cargo.toml
index ec4391cf53..a55cd75484 100644
--- a/pallets/parachain-system/Cargo.toml
+++ b/pallets/parachain-system/Cargo.toml
@@ -12,22 +12,22 @@ cumulus-primitives-parachain-inherent = { path = "../../primitives/parachain-inh
 cumulus-pallet-parachain-system-proc-macro = { path = "proc-macro", default-features = false }
 
 # Polkadot dependencies
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, features = [ "wasm-api" ], branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, features = [ "wasm-api" ], branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Substrate dependencies
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-state-machine = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-externalities = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-externalities = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Other Dependencies
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"]}
@@ -43,10 +43,10 @@ hex-literal = "0.2.1"
 lazy_static = "1.4"
 
 # Substrate dependencies
-sp-version = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-version = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-test-client = { path = "../../test/client" }
diff --git a/pallets/session-benchmarking/Cargo.toml b/pallets/session-benchmarking/Cargo.toml
index 14c9c8f5ce..e1342ffd67 100644
--- a/pallets/session-benchmarking/Cargo.toml
+++ b/pallets/session-benchmarking/Cargo.toml
@@ -14,12 +14,12 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 parity-scale-codec = { version = "2.3.1", default-features = false }
-sp-std = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-support = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-system = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-benchmarking = { default-features = false, optional = true, git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-session = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-std = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-support = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-system = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-benchmarking = { default-features = false, optional = true, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-session = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = ["std"]
diff --git a/pallets/solo-to-para/Cargo.toml b/pallets/solo-to-para/Cargo.toml
index 521e650d35..152cb04eb1 100644
--- a/pallets/solo-to-para/Cargo.toml
+++ b/pallets/solo-to-para/Cargo.toml
@@ -7,18 +7,18 @@ description = "Adds functionality to migrate from a Solo to a Parachain"
 
 [dependencies]
 # Substrate dependencies
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-parachain-system = { default-features = false, path = "../parachain-system" }
 cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
 
 # Polkadot dependecies
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Other Dependencies
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"]}
diff --git a/pallets/xcm/Cargo.toml b/pallets/xcm/Cargo.toml
index 3e7e2740d9..ae0d1b27ce 100644
--- a/pallets/xcm/Cargo.toml
+++ b/pallets/xcm/Cargo.toml
@@ -9,13 +9,13 @@ codec = { package = "parity-scale-codec", version = "2.3.0", default-features =
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.132", optional = true, features = ["derive"] }
 
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
 
diff --git a/pallets/xcmp-queue/Cargo.toml b/pallets/xcmp-queue/Cargo.toml
index 974552e7be..909f3f27fe 100644
--- a/pallets/xcmp-queue/Cargo.toml
+++ b/pallets/xcmp-queue/Cargo.toml
@@ -12,24 +12,24 @@ scale-info = { version = "1.0.0", default-features = false, features = ["derive"
 log = { version = "0.4.14", default-features = false }
 
 # Substrate Dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Polkadot Dependencies
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Cumulus Dependencies
 cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
 
 [dev-dependencies]
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 cumulus-pallet-parachain-system = { path = "../parachain-system" }
-xcm-builder = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "master" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/parachain-template/node/Cargo.toml b/parachain-template/node/Cargo.toml
index 10a6e4744a..176905a235 100644
--- a/parachain-template/node/Cargo.toml
+++ b/parachain-template/node/Cargo.toml
@@ -13,7 +13,7 @@ build = "build.rs"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [build-dependencies]
-substrate-build-script-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-build-script-utils = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [[bin]]
 name = "parachain-collator"
@@ -38,46 +38,46 @@ jsonrpc-core = "18.0.0"
 parachain-template-runtime = { path = "../runtime" }
 
 # Substrate Dependencies
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-try-runtime-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+try-runtime-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
-pallet-transaction-payment-rpc = { git = "https://github.com/paritytech/substrate", branch = "master" }
+pallet-transaction-payment-rpc = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
-substrate-frame-rpc-system = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-frame-rpc-system = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 ## Substrate Client Dependencies
-sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-executor = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-rpc-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", features = ["wasmtime"], branch = "master" }
-sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-executor = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-network = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-keystore = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-rpc-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", features = ["wasmtime"], branch = "polkadot-v0.9.16" }
+sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 ## Substrate Primitive Dependencies
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-client-cli = { path = "../../client/cli" }
@@ -92,8 +92,8 @@ cumulus-relay-chain-interface = { path = "../../client/relay-chain-interface" }
 cumulus-relay-chain-local = { path = "../../client/relay-chain-local" }
 
 # Polkadot dependencies
-polkadot-cli = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-cli = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
diff --git a/parachain-template/pallets/template/Cargo.toml b/parachain-template/pallets/template/Cargo.toml
index ce58e0dcdb..9715fb51ad 100644
--- a/parachain-template/pallets/template/Cargo.toml
+++ b/parachain-template/pallets/template/Cargo.toml
@@ -15,15 +15,15 @@ targets = ["x86_64-unknown-linux-gnu"]
 codec = { package = "parity-scale-codec", version = "2.0.0", features = ["derive"], default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
 
 [dev-dependencies]
 serde = { version = "1.0.132" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
 
 [features]
 default = ["std"]
diff --git a/parachain-template/runtime/Cargo.toml b/parachain-template/runtime/Cargo.toml
index a432fa95c5..700c916f8c 100644
--- a/parachain-template/runtime/Cargo.toml
+++ b/parachain-template/runtime/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2021"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [dependencies]
 hex-literal = { version = "0.3.1", optional = true }
@@ -27,37 +27,37 @@ pallet-template = { path = "../pallets/template", default-features = false }
 
 # Substrate Dependencies
 ## Substrate Primitive Dependencies
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
 
 ## Substrate FRAME Dependencies
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
-frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
-frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
 
 ## Substrate Pallet Dependencies
-pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-aura-ext = { path = "../../pallets/aura-ext", default-features = false }
@@ -73,12 +73,12 @@ parachain-info = { path = "../../polkadot-parachains/pallets/parachain-info", de
 cumulus-pallet-session-benchmarking = {path = "../../pallets/session-benchmarking", default-features = false, version = "3.0.0"}
 
 # Polkadot Dependencies
-pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
-polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
-xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
+pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
+polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
 
 [features]
 default = [
diff --git a/polkadot-parachains/Cargo.toml b/polkadot-parachains/Cargo.toml
index d0d7c68c95..81c87ea024 100644
--- a/polkadot-parachains/Cargo.toml
+++ b/polkadot-parachains/Cargo.toml
@@ -28,44 +28,44 @@ westmint-runtime = { path = "westmint" }
 parachains-common = { path = "parachains-common" }
 
 # Substrate dependencies
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-executor = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "master" }
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-executor = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-telemetry = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-network = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # try-runtime stuff.
-try-runtime-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
+try-runtime-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # RPC related dependencies
 jsonrpc-core = "18.0.0"
-sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-rpc-system = { package = "substrate-frame-rpc-system", git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-transaction-payment-rpc = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-rpc-system = { package = "substrate-frame-rpc-system", git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-transaction-payment-rpc = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-client-cli = { path = "../client/cli" }
@@ -80,14 +80,14 @@ cumulus-relay-chain-interface = { path = "../client/relay-chain-interface" }
 cumulus-relay-chain-local = { path = "../client/relay-chain-local" }
 
 # Polkadot dependencies
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-cli = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-cli = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 [build-dependencies]
-substrate-build-script-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-build-script-utils = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [dev-dependencies]
 assert_cmd = "0.12"
diff --git a/polkadot-parachains/pallets/parachain-info/Cargo.toml b/polkadot-parachains/pallets/parachain-info/Cargo.toml
index 2ddec4de78..b16c729a08 100644
--- a/polkadot-parachains/pallets/parachain-info/Cargo.toml
+++ b/polkadot-parachains/pallets/parachain-info/Cargo.toml
@@ -9,8 +9,8 @@ codec = { package = "parity-scale-codec", version = "2.3.0", default-features =
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.132", optional = true, features = ["derive"] }
 
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 cumulus-primitives-core = { path = "../../../primitives/core", default-features = false }
 
diff --git a/polkadot-parachains/pallets/ping/Cargo.toml b/polkadot-parachains/pallets/ping/Cargo.toml
index e813d692b4..236d8dc560 100644
--- a/polkadot-parachains/pallets/ping/Cargo.toml
+++ b/polkadot-parachains/pallets/ping/Cargo.toml
@@ -9,12 +9,12 @@ codec = { package = "parity-scale-codec", version = "2.3.0", default-features =
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.132", optional = true, features = ["derive"] }
 
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 cumulus-primitives-core = { path = "../../../primitives/core", default-features = false }
 cumulus-pallet-xcm = { path = "../../../pallets/xcm", default-features = false }
diff --git a/polkadot-parachains/parachains-common/Cargo.toml b/polkadot-parachains/parachains-common/Cargo.toml
index 6099b2036c..3e5bb80947 100644
--- a/polkadot-parachains/parachains-common/Cargo.toml
+++ b/polkadot-parachains/parachains-common/Cargo.toml
@@ -14,34 +14,34 @@ codec = { package = "parity-scale-codec", version = "2.3.0", features = ["derive
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 
 # Substrate dependencies
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-io = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-frame-executive = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-frame-support = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-frame-system = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-asset-tx-payment = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-assets = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-authorship = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-asset-tx-payment = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
 
 # Polkadot dependencies
-polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "master" }
+polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false , branch = "release-v0.9.16" }
 
 # Local dependencies
 pallet-collator-selection = { path = "../../pallets/collator-selection", default-features = false }
 
 [dev-dependencies]
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
-pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = ["std"]
diff --git a/polkadot-parachains/rococo-parachain/Cargo.toml b/polkadot-parachains/rococo-parachain/Cargo.toml
index 7ac9a3c8e9..d97505c68f 100644
--- a/polkadot-parachains/rococo-parachain/Cargo.toml
+++ b/polkadot-parachains/rococo-parachain/Cargo.toml
@@ -13,30 +13,30 @@ scale-info = { version = "1.0.0", default-features = false, features = ["derive"
 serde = { version = "1.0.132", optional = true, features = ["derive"] }
 
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 parachains-common = { path = "../parachains-common", default-features = false }
 
@@ -52,14 +52,14 @@ cumulus-pallet-xcm = { path = "../../pallets/xcm", default-features = false }
 cumulus-ping = { path = "../pallets/ping", default-features = false }
 
 # Polkadot dependencies
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/polkadot-parachains/seedling/Cargo.toml b/polkadot-parachains/seedling/Cargo.toml
index ad5dd7a528..ae3d1d3860 100644
--- a/polkadot-parachains/seedling/Cargo.toml
+++ b/polkadot-parachains/seedling/Cargo.toml
@@ -12,23 +12,23 @@ scale-info = { version = "1.0.0", default-features = false, features = ["derive"
 serde = { version = "1.0.132", optional = true, features = ["derive"] }
 
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-parachain-system = { path = "../../pallets/parachain-system", default-features = false }
@@ -36,7 +36,7 @@ cumulus-pallet-solo-to-para = { path = "../../pallets/solo-to-para", default-fea
 cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/polkadot-parachains/shell/Cargo.toml b/polkadot-parachains/shell/Cargo.toml
index 1a06452bec..d63f7686da 100644
--- a/polkadot-parachains/shell/Cargo.toml
+++ b/polkadot-parachains/shell/Cargo.toml
@@ -12,24 +12,24 @@ scale-info = { version = "1.0.0", default-features = false, features = ["derive"
 serde = { version = "1.0.132", optional = true, features = ["derive"] }
 
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # try-runtime stuff.
-frame-try-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-parachain-system = { path = "../../pallets/parachain-system", default-features = false }
@@ -37,12 +37,12 @@ cumulus-primitives-core = { path = "../../primitives/core", default-features = f
 cumulus-primitives-utility = { path = "../../primitives/utility", default-features = false }
 cumulus-pallet-dmp-queue = { path = "../../pallets/dmp-queue", default-features = false }
 cumulus-pallet-xcm = { path = "../../pallets/xcm", default-features = false }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/polkadot-parachains/statemine/Cargo.toml b/polkadot-parachains/statemine/Cargo.toml
index 9bb1ce05e2..4d445c5eab 100644
--- a/polkadot-parachains/statemine/Cargo.toml
+++ b/polkadot-parachains/statemine/Cargo.toml
@@ -15,41 +15,41 @@ serde = { version = "1.0.132", optional = true, features = ["derive"] }
 smallvec = "1.6.1"
 
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "master" }
-frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-asset-tx-payment = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-proxy = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-uniques = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-utility = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-asset-tx-payment = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-proxy = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-uniques = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-utility = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-node-primitives = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+node-primitives = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-aura-ext = { path = "../../pallets/aura-ext", default-features = false }
@@ -66,22 +66,22 @@ pallet-collator-selection = { path = "../../pallets/collator-selection", default
 parachains-common = { path = "../parachains-common", default-features = false }
 
 # Polkadot dependencies
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-kusama-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+kusama-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Try-runtime stuff
-frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
 
 [dev-dependencies]
 hex-literal = "0.3.1"
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/polkadot-parachains/statemint/Cargo.toml b/polkadot-parachains/statemint/Cargo.toml
index 4d7875bf99..bd8ab3681c 100644
--- a/polkadot-parachains/statemint/Cargo.toml
+++ b/polkadot-parachains/statemint/Cargo.toml
@@ -15,41 +15,41 @@ scale-info = { version = "1.0.0", default-features = false, features = ["derive"
 smallvec = "1.6.1"
 
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "master" }
-frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-asset-tx-payment = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-proxy = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-uniques = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-utility = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-asset-tx-payment = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "polkadot-v0.9.16" }
+pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-proxy = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-uniques = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-utility = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-node-primitives = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+node-primitives = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-aura-ext = { path = "../../pallets/aura-ext", default-features = false }
@@ -66,22 +66,22 @@ pallet-collator-selection = { path = "../../pallets/collator-selection", default
 parachains-common = { path = "../parachains-common", default-features = false }
 
 # Polkadot dependencies
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Try-runtime stuff
-frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
 
 [dev-dependencies]
 hex-literal = "0.3.1"
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/polkadot-parachains/westmint/Cargo.toml b/polkadot-parachains/westmint/Cargo.toml
index 25cd4f59ce..51a035c465 100644
--- a/polkadot-parachains/westmint/Cargo.toml
+++ b/polkadot-parachains/westmint/Cargo.toml
@@ -15,40 +15,40 @@ serde = { version = "1.0.132", optional = true, features = ["derive"] }
 smallvec = "1.6.1"
 
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-consensus-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "master" }
-frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-asset-tx-payment = { git = 'https://github.com/paritytech/substrate', default-features = false, branch = "master" }
-pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-proxy = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-uniques = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-utility = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", optional = true, default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-asset-tx-payment = { git = 'https://github.com/paritytech/substrate', default-features = false, branch = "polkadot-v0.9.16" }
+pallet-assets = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-aura = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-authorship = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-multisig = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-proxy = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-uniques = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-utility = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
-node-primitives = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+node-primitives = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-aura-ext = { path = "../../pallets/aura-ext", default-features = false }
@@ -65,22 +65,22 @@ pallet-collator-selection = { path = "../../pallets/collator-selection", default
 parachains-common = { path = "../parachains-common", default-features = false }
 
 # Polkadot dependencies
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-westend-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-runtime-common = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+westend-runtime-constants = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+pallet-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Try-runtime stuff
-frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "master" }
+frame-try-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true , branch = "polkadot-v0.9.16" }
 
 [dev-dependencies]
 hex-literal = "0.3.1"
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/primitives/core/Cargo.toml b/primitives/core/Cargo.toml
index 7faddab1a3..3238ab1f14 100644
--- a/primitives/core/Cargo.toml
+++ b/primitives/core/Cargo.toml
@@ -6,16 +6,16 @@ edition = "2021"
 
 [dependencies]
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Polkadot dependencies
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-core-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-core-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Other dependencies
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = [ "derive" ] }
diff --git a/primitives/parachain-inherent/Cargo.toml b/primitives/parachain-inherent/Cargo.toml
index faca11a915..450be838a9 100644
--- a/primitives/parachain-inherent/Cargo.toml
+++ b/primitives/parachain-inherent/Cargo.toml
@@ -6,15 +6,15 @@ edition = "2021"
 
 [dependencies]
 # Substrate dependencies
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", optional = true , branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", optional = true , branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-state-machine = { git = "https://github.com/paritytech/substrate", optional = true , branch = "master" }
-sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", optional = true , branch = "master" }
-sp-storage = { git = "https://github.com/paritytech/substrate", optional = true , branch = "master" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", optional = true , branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", optional = true , branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", optional = true , branch = "polkadot-v0.9.16" }
+sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", optional = true , branch = "polkadot-v0.9.16" }
+sp-storage = { git = "https://github.com/paritytech/substrate", optional = true , branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-primitives-core = { path = "../core", default-features = false }
diff --git a/primitives/timestamp/Cargo.toml b/primitives/timestamp/Cargo.toml
index 9dd8a3b329..f2be9d204c 100644
--- a/primitives/timestamp/Cargo.toml
+++ b/primitives/timestamp/Cargo.toml
@@ -7,18 +7,18 @@ description = "Provides timestamp related functionality for parachains."
 
 [dependencies]
 # Substrate dependencies
-sp-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-primitives-core = { path = "../core", default-features = false }
 
 [dev-dependencies]
 # Substrate dependencies
-sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-test-client = { path = "../../test/client" }
diff --git a/primitives/utility/Cargo.toml b/primitives/utility/Cargo.toml
index 41cfa53a32..344a09e74f 100644
--- a/primitives/utility/Cargo.toml
+++ b/primitives/utility/Cargo.toml
@@ -6,16 +6,16 @@ edition = "2021"
 
 [dependencies]
 # Substrate dependencies
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Polkadot dependencies
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-polkadot-core-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
-xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+polkadot-core-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
+xcm = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 cumulus-primitives-core = { path = "../core", default-features = false }
 
diff --git a/test/client/Cargo.toml b/test/client/Cargo.toml
index 198c551fb2..6be779f52e 100644
--- a/test/client/Cargo.toml
+++ b/test/client/Cargo.toml
@@ -5,23 +5,23 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 
 [dependencies]
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-block-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-executor = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-executor-common = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-test-client = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-block-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-executor = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-executor-common = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-test-client = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Cumulus deps
 cumulus-test-runtime = { path = "../runtime" }
@@ -31,8 +31,8 @@ cumulus-primitives-core = { path = "../../primitives/core" }
 cumulus-primitives-parachain-inherent = { path = "../../primitives/parachain-inherent" }
 
 # Polkadot deps
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-parachain = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Other deps
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = [ "derive" ] }
diff --git a/test/relay-sproof-builder/Cargo.toml b/test/relay-sproof-builder/Cargo.toml
index 4abd2dfd4b..6c9ce9b07b 100644
--- a/test/relay-sproof-builder/Cargo.toml
+++ b/test/relay-sproof-builder/Cargo.toml
@@ -9,12 +9,12 @@ edition = "2021"
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = [ "derive" ] }
 
 # Substrate dependencies
-sp-state-machine = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Polkadot dependencies
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "release-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-primitives-core = { path = "../../primitives/core", default-features = false }
diff --git a/test/relay-validation-worker-provider/Cargo.toml b/test/relay-validation-worker-provider/Cargo.toml
index 750b863bae..0bdd79da11 100644
--- a/test/relay-validation-worker-provider/Cargo.toml
+++ b/test/relay-validation-worker-provider/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 build = "build.rs"
 
 [dependencies]
-polkadot-node-core-pvf = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-node-core-pvf = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
diff --git a/test/runtime/Cargo.toml b/test/runtime/Cargo.toml
index 25c1b546c7..b53a75eb08 100644
--- a/test/runtime/Cargo.toml
+++ b/test/runtime/Cargo.toml
@@ -10,25 +10,25 @@ scale-info = { version = "1.0.0", default-features = false, features = ["derive"
 serde = { version = "1.0.132", optional = true, features = ["derive"] }
 
 # Substrate dependencies
-frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
+frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-sudo = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-block-builder = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-inherents = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-offchain = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-session = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-transaction-pool = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-version = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
 
 # Cumulus dependencies
 cumulus-pallet-parachain-system = { path = "../../pallets/parachain-system", default-features = false }
@@ -36,7 +36,7 @@ cumulus-primitives-core = { path = "../../primitives/core", default-features = f
 cumulus-primitives-timestamp = { path = "../../primitives/timestamp", default-features = false }
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [features]
 default = [ "std" ]
diff --git a/test/service/Cargo.toml b/test/service/Cargo.toml
index a6fb18f16c..2a5f68c93a 100644
--- a/test/service/Cargo.toml
+++ b/test/service/Cargo.toml
@@ -12,36 +12,36 @@ async-trait = "0.1.42"
 tokio = { version = "1.10", features = ["macros"] }
 
 # Substrate
-frame-system = { git = "https://github.com/paritytech/substrate", branch = "master" }
-pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", branch = "master" }
-frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-executor = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-service = { git = "https://github.com/paritytech/substrate", branch = "master", features = [ "wasmtime" ] }
-sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sc-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-arithmetic = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
-sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-test-client = { git = "https://github.com/paritytech/substrate", branch = "master" }
+frame-system = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-transaction-pool-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-executor = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-network = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-rpc = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-service = { git = "https://github.com/paritytech/substrate", features = [ "wasmtime" ] , branch = "polkadot-v0.9.16" }
+sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sc-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-arithmetic = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-io = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.16" }
+sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-trie = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-test-client = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 # Polkadot
-polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
-polkadot-test-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-service = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
+polkadot-test-service = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Cumulus
 cumulus-client-consensus-relay-chain = { path = "../../client/consensus/relay-chain" }
@@ -65,11 +65,11 @@ jsonrpc-core = "18.0.0"
 futures = "0.3.5"
 
 # Polkadot dependencies
-polkadot-test-service = { git = "https://github.com/paritytech/polkadot", branch = "master" }
+polkadot-test-service = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.16" }
 
 # Substrate dependencies
-sc-cli = { git = "https://github.com/paritytech/substrate", branch = "master" }
-substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-cli = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
+substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.16" }
 
 [[bench]]
 name = "transaction_throughput"