diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 58f9561276..7d20095264 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "Inflector"
 version = "0.11.4"
@@ -1594,7 +1596,7 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 [[package]]
 name = "fork-tree"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
 ]
@@ -1612,7 +1614,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1630,7 +1632,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking-cli"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "Inflector",
  "chrono",
@@ -1653,7 +1655,7 @@ dependencies = [
 [[package]]
 name = "frame-executive"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1669,7 +1671,7 @@ dependencies = [
 [[package]]
 name = "frame-metadata"
 version = "13.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -1680,7 +1682,7 @@ dependencies = [
 [[package]]
 name = "frame-support"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "bitflags",
  "frame-metadata",
@@ -1706,7 +1708,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "Inflector",
  "frame-support-procedural-tools",
@@ -1718,7 +1720,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate",
@@ -1730,7 +1732,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools-derive"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1740,7 +1742,7 @@ dependencies = [
 [[package]]
 name = "frame-system"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "impl-trait-for-tuples",
@@ -1756,7 +1758,7 @@ dependencies = [
 [[package]]
 name = "frame-system-benchmarking"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -1770,7 +1772,7 @@ dependencies = [
 [[package]]
 name = "frame-system-rpc-runtime-api"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -2783,6 +2785,7 @@ dependencies = [
  "pallet-bounties",
  "pallet-collective",
  "pallet-democracy",
+ "pallet-election-provider-multi-phase",
  "pallet-elections-phragmen",
  "pallet-grandpa",
  "pallet-identity",
@@ -3459,9 +3462,9 @@ dependencies = [
 
 [[package]]
 name = "lru"
-version = "0.6.3"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3aae342b73d57ad0b8b364bd12584819f2c1fe9114285dfcf8b0722607671635"
+checksum = "1f374d42cdfc1d7dbf3d3dec28afab2eb97ffbf43a3234d795b5986dbf4b90ba"
 dependencies = [
  "hashbrown",
 ]
@@ -4005,7 +4008,7 @@ checksum = "13370dae44474229701bb69b90b4f4dca6404cb0357a2d50d635f1171dc3aa7b"
 [[package]]
 name = "pallet-authority-discovery"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4021,7 +4024,7 @@ dependencies = [
 [[package]]
 name = "pallet-authorship"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4036,7 +4039,7 @@ dependencies = [
 [[package]]
 name = "pallet-babe"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4060,7 +4063,7 @@ dependencies = [
 [[package]]
 name = "pallet-balances"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4074,7 +4077,7 @@ dependencies = [
 [[package]]
 name = "pallet-bounties"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4089,7 +4092,7 @@ dependencies = [
 [[package]]
 name = "pallet-collective"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4105,7 +4108,7 @@ dependencies = [
 [[package]]
 name = "pallet-democracy"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4117,10 +4120,28 @@ dependencies = [
  "sp-std",
 ]
 
+[[package]]
+name = "pallet-election-provider-multi-phase"
+version = "3.0.0"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
+dependencies = [
+ "frame-support",
+ "frame-system",
+ "parity-scale-codec",
+ "serde",
+ "sp-arithmetic",
+ "sp-election-providers",
+ "sp-io",
+ "sp-npos-elections",
+ "sp-runtime",
+ "sp-std",
+ "static_assertions",
+]
+
 [[package]]
 name = "pallet-elections-phragmen"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4135,7 +4156,7 @@ dependencies = [
 [[package]]
 name = "pallet-grandpa"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4156,7 +4177,7 @@ dependencies = [
 [[package]]
 name = "pallet-identity"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "enumflags2",
  "frame-benchmarking",
@@ -4172,7 +4193,7 @@ dependencies = [
 [[package]]
 name = "pallet-im-online"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4191,7 +4212,7 @@ dependencies = [
 [[package]]
 name = "pallet-indices"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4208,7 +4229,7 @@ dependencies = [
 [[package]]
 name = "pallet-membership"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4222,7 +4243,7 @@ dependencies = [
 [[package]]
 name = "pallet-multisig"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4238,7 +4259,7 @@ dependencies = [
 [[package]]
 name = "pallet-nicks"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4252,7 +4273,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4267,7 +4288,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences-benchmarking"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4280,6 +4301,7 @@ dependencies = [
  "pallet-session",
  "pallet-staking",
  "parity-scale-codec",
+ "sp-election-providers",
  "sp-runtime",
  "sp-staking",
  "sp-std",
@@ -4288,7 +4310,7 @@ dependencies = [
 [[package]]
 name = "pallet-proxy"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4304,7 +4326,7 @@ dependencies = [
 [[package]]
 name = "pallet-randomness-collective-flip"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4317,7 +4339,7 @@ dependencies = [
 [[package]]
 name = "pallet-recovery"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "enumflags2",
  "frame-support",
@@ -4332,7 +4354,7 @@ dependencies = [
 [[package]]
 name = "pallet-scheduler"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4347,7 +4369,7 @@ dependencies = [
 [[package]]
 name = "pallet-session"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4367,7 +4389,7 @@ dependencies = [
 [[package]]
 name = "pallet-session-benchmarking"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4383,7 +4405,7 @@ dependencies = [
 [[package]]
 name = "pallet-society"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4397,7 +4419,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4408,6 +4430,7 @@ dependencies = [
  "rand_chacha 0.2.2",
  "serde",
  "sp-application-crypto",
+ "sp-election-providers",
  "sp-io",
  "sp-npos-elections",
  "sp-runtime",
@@ -4419,7 +4442,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking-reward-curve"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -4430,7 +4453,7 @@ dependencies = [
 [[package]]
 name = "pallet-sudo"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4444,7 +4467,7 @@ dependencies = [
 [[package]]
 name = "pallet-timestamp"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4462,7 +4485,7 @@ dependencies = [
 [[package]]
 name = "pallet-tips"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4477,7 +4500,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4493,7 +4516,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -4510,7 +4533,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "pallet-transaction-payment",
  "parity-scale-codec",
@@ -4521,7 +4544,7 @@ dependencies = [
 [[package]]
 name = "pallet-treasury"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4537,7 +4560,7 @@ dependencies = [
 [[package]]
 name = "pallet-utility"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4553,7 +4576,7 @@ dependencies = [
 [[package]]
 name = "pallet-vesting"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "enumflags2",
  "frame-benchmarking",
@@ -5696,6 +5719,7 @@ dependencies = [
  "pallet-bounties",
  "pallet-collective",
  "pallet-democracy",
+ "pallet-election-provider-multi-phase",
  "pallet-elections-phragmen",
  "pallet-grandpa",
  "pallet-identity",
@@ -5784,6 +5808,7 @@ dependencies = [
  "sp-api",
  "sp-application-crypto",
  "sp-core",
+ "sp-election-providers",
  "sp-inherents",
  "sp-io",
  "sp-keyring",
@@ -6034,6 +6059,7 @@ dependencies = [
  "sp-block-builder",
  "sp-consensus-babe",
  "sp-core",
+ "sp-election-providers",
  "sp-inherents",
  "sp-io",
  "sp-keyring",
@@ -6924,7 +6950,7 @@ dependencies = [
 [[package]]
 name = "sc-authority-discovery"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -6952,7 +6978,7 @@ dependencies = [
 [[package]]
 name = "sc-basic-authorship"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "futures-timer 3.0.2",
@@ -6975,7 +7001,7 @@ dependencies = [
 [[package]]
 name = "sc-block-builder"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sc-client-api",
@@ -6992,7 +7018,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -7013,7 +7039,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec-derive"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -7024,7 +7050,7 @@ dependencies = [
 [[package]]
 name = "sc-cli"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "chrono",
  "fdlimit",
@@ -7062,7 +7088,7 @@ dependencies = [
 [[package]]
 name = "sc-client-api"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "fnv",
@@ -7096,7 +7122,7 @@ dependencies = [
 [[package]]
 name = "sc-client-db"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "blake2-rfc",
  "hash-db",
@@ -7126,7 +7152,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "sc-client-api",
  "sp-blockchain",
@@ -7137,7 +7163,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "fork-tree",
@@ -7183,7 +7209,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe-rpc"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "futures 0.3.12",
@@ -7207,7 +7233,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-epochs"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "fork-tree",
  "parity-scale-codec",
@@ -7220,7 +7246,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-slots"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "futures-timer 3.0.2",
@@ -7246,7 +7272,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-uncles"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "sc-client-api",
@@ -7260,7 +7286,7 @@ dependencies = [
 [[package]]
 name = "sc-executor"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "lazy_static",
@@ -7289,7 +7315,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-common"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "parity-scale-codec",
@@ -7305,7 +7331,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmi"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -7320,7 +7346,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmtime"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -7338,7 +7364,7 @@ dependencies = [
 [[package]]
 name = "sc-finality-grandpa"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "dyn-clone",
@@ -7377,7 +7403,7 @@ dependencies = [
 [[package]]
 name = "sc-finality-grandpa-rpc"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "finality-grandpa",
@@ -7401,7 +7427,7 @@ dependencies = [
 [[package]]
 name = "sc-finality-grandpa-warp-sync"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "futures 0.3.12",
@@ -7421,7 +7447,7 @@ dependencies = [
 [[package]]
 name = "sc-informant"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "ansi_term 0.12.1",
  "futures 0.3.12",
@@ -7439,7 +7465,7 @@ dependencies = [
 [[package]]
 name = "sc-keystore"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -7459,7 +7485,7 @@ dependencies = [
 [[package]]
 name = "sc-light"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "hash-db",
  "lazy_static",
@@ -7478,7 +7504,7 @@ dependencies = [
 [[package]]
 name = "sc-network"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "async-std",
  "async-trait",
@@ -7531,7 +7557,7 @@ dependencies = [
 [[package]]
 name = "sc-network-gossip"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "futures-timer 3.0.2",
@@ -7547,7 +7573,7 @@ dependencies = [
 [[package]]
 name = "sc-offchain"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "bytes 0.5.6",
  "fnv",
@@ -7574,7 +7600,7 @@ dependencies = [
 [[package]]
 name = "sc-peerset"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "libp2p",
@@ -7587,7 +7613,7 @@ dependencies = [
 [[package]]
 name = "sc-proposer-metrics"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "substrate-prometheus-endpoint",
@@ -7596,7 +7622,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "hash-db",
@@ -7630,7 +7656,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-api"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "futures 0.3.12",
@@ -7654,7 +7680,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-server"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.1.29",
  "jsonrpc-core",
@@ -7672,7 +7698,7 @@ dependencies = [
 [[package]]
 name = "sc-service"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "directories",
  "exit-future",
@@ -7735,7 +7761,7 @@ dependencies = [
 [[package]]
 name = "sc-state-db"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -7750,7 +7776,7 @@ dependencies = [
 [[package]]
 name = "sc-sync-state-rpc"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -7770,7 +7796,7 @@ dependencies = [
 [[package]]
 name = "sc-telemetry"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "chrono",
  "futures 0.3.12",
@@ -7792,7 +7818,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "ansi_term 0.12.1",
  "atty",
@@ -7820,7 +7846,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing-proc-macro"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -7831,7 +7857,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-graph"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "futures 0.3.12",
@@ -7853,7 +7879,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "futures-diagnose",
@@ -8259,7 +8285,7 @@ dependencies = [
 [[package]]
 name = "sp-allocator"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "sp-core",
@@ -8271,7 +8297,7 @@ dependencies = [
 [[package]]
 name = "sp-api"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "hash-db",
  "parity-scale-codec",
@@ -8287,7 +8313,7 @@ dependencies = [
 [[package]]
 name = "sp-api-proc-macro"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "blake2-rfc",
  "proc-macro-crate",
@@ -8299,7 +8325,7 @@ dependencies = [
 [[package]]
 name = "sp-application-crypto"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -8311,7 +8337,7 @@ dependencies = [
 [[package]]
 name = "sp-arithmetic"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "integer-sqrt",
  "num-traits",
@@ -8324,7 +8350,7 @@ dependencies = [
 [[package]]
 name = "sp-authority-discovery"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -8336,7 +8362,7 @@ dependencies = [
 [[package]]
 name = "sp-authorship"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sp-inherents",
@@ -8347,7 +8373,7 @@ dependencies = [
 [[package]]
 name = "sp-block-builder"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -8359,7 +8385,7 @@ dependencies = [
 [[package]]
 name = "sp-blockchain"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "log",
@@ -8377,7 +8403,7 @@ dependencies = [
 [[package]]
 name = "sp-chain-spec"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "serde",
  "serde_json",
@@ -8386,7 +8412,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "futures-timer 3.0.2",
@@ -8412,7 +8438,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-babe"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "merlin",
  "parity-scale-codec",
@@ -8432,7 +8458,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-slots"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sp-arithmetic",
@@ -8442,7 +8468,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-vrf"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "schnorrkel",
@@ -8454,7 +8480,7 @@ dependencies = [
 [[package]]
 name = "sp-core"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "base58",
  "blake2-rfc",
@@ -8498,7 +8524,7 @@ dependencies = [
 [[package]]
 name = "sp-database"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "kvdb",
  "parking_lot 0.11.1",
@@ -8507,17 +8533,28 @@ dependencies = [
 [[package]]
 name = "sp-debug-derive"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn",
 ]
 
+[[package]]
+name = "sp-election-providers"
+version = "3.0.0"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
+dependencies = [
+ "parity-scale-codec",
+ "sp-arithmetic",
+ "sp-npos-elections",
+ "sp-std",
+]
+
 [[package]]
 name = "sp-externalities"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -8528,7 +8565,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-grandpa"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "finality-grandpa",
  "log",
@@ -8545,7 +8582,7 @@ dependencies = [
 [[package]]
 name = "sp-inherents"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "parking_lot 0.11.1",
@@ -8557,7 +8594,7 @@ dependencies = [
 [[package]]
 name = "sp-io"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "hash-db",
@@ -8581,7 +8618,7 @@ dependencies = [
 [[package]]
 name = "sp-keyring"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -8592,7 +8629,7 @@ dependencies = [
 [[package]]
 name = "sp-keystore"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "async-trait",
  "derive_more",
@@ -8609,7 +8646,7 @@ dependencies = [
 [[package]]
 name = "sp-npos-elections"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -8622,7 +8659,7 @@ dependencies = [
 [[package]]
 name = "sp-npos-elections-compact"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -8633,7 +8670,7 @@ dependencies = [
 [[package]]
 name = "sp-offchain"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "sp-api",
  "sp-core",
@@ -8643,7 +8680,7 @@ dependencies = [
 [[package]]
 name = "sp-panic-handler"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "backtrace",
 ]
@@ -8651,7 +8688,7 @@ dependencies = [
 [[package]]
 name = "sp-rpc"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "serde",
  "sp-core",
@@ -8660,7 +8697,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "either",
  "hash256-std-hasher",
@@ -8681,7 +8718,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -8698,7 +8735,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface-proc-macro"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "Inflector",
  "proc-macro-crate",
@@ -8710,7 +8747,7 @@ dependencies = [
 [[package]]
 name = "sp-serializer"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "serde",
  "serde_json",
@@ -8719,7 +8756,7 @@ dependencies = [
 [[package]]
 name = "sp-session"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -8732,7 +8769,7 @@ dependencies = [
 [[package]]
 name = "sp-staking"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "parity-scale-codec",
  "sp-runtime",
@@ -8742,7 +8779,7 @@ dependencies = [
 [[package]]
 name = "sp-state-machine"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "hash-db",
  "log",
@@ -8764,12 +8801,12 @@ dependencies = [
 [[package]]
 name = "sp-std"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 
 [[package]]
 name = "sp-storage"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "impl-serde",
  "parity-scale-codec",
@@ -8782,7 +8819,7 @@ dependencies = [
 [[package]]
 name = "sp-tasks"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "sp-core",
@@ -8795,7 +8832,7 @@ dependencies = [
 [[package]]
 name = "sp-timestamp"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -8809,7 +8846,7 @@ dependencies = [
 [[package]]
 name = "sp-tracing"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -8822,7 +8859,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-pool"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "derive_more",
  "futures 0.3.12",
@@ -8838,7 +8875,7 @@ dependencies = [
 [[package]]
 name = "sp-trie"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -8852,7 +8889,7 @@ dependencies = [
 [[package]]
 name = "sp-utils"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "futures-core",
@@ -8864,7 +8901,7 @@ dependencies = [
 [[package]]
 name = "sp-version"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "impl-serde",
  "parity-scale-codec",
@@ -8876,7 +8913,7 @@ dependencies = [
 [[package]]
 name = "sp-wasm-interface"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -9008,7 +9045,7 @@ dependencies = [
 [[package]]
 name = "substrate-browser-utils"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "chrono",
  "console_error_panic_hook",
@@ -9035,7 +9072,7 @@ dependencies = [
 [[package]]
 name = "substrate-build-script-utils"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "platforms",
 ]
@@ -9043,7 +9080,7 @@ dependencies = [
 [[package]]
 name = "substrate-frame-rpc-system"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "frame-system-rpc-runtime-api",
  "futures 0.3.12",
@@ -9066,7 +9103,7 @@ dependencies = [
 [[package]]
 name = "substrate-prometheus-endpoint"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "async-std",
  "derive_more",
@@ -9080,7 +9117,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-client"
 version = "2.0.1"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.1.29",
  "futures 0.3.12",
@@ -9107,7 +9144,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-utils"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "futures 0.3.12",
  "substrate-test-utils-derive",
@@ -9117,7 +9154,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-utils-derive"
 version = "0.9.0"
-source = "git+https://github.com/paritytech/substrate#528c14b3c96bb93d3029451f0706a079d7d7a9bb"
+source = "git+https://github.com/paritytech/substrate?branch=master#1c434cd3a20c03461cb17b1e94244e134fc1b27c"
 dependencies = [
  "proc-macro-crate",
  "quote",
@@ -10419,6 +10456,7 @@ dependencies = [
  "pallet-balances",
  "pallet-collective",
  "pallet-democracy",
+ "pallet-election-provider-multi-phase",
  "pallet-elections-phragmen",
  "pallet-grandpa",
  "pallet-identity",
diff --git a/polkadot/runtime/common/Cargo.toml b/polkadot/runtime/common/Cargo.toml
index e3b2417872..e153668f01 100644
--- a/polkadot/runtime/common/Cargo.toml
+++ b/polkadot/runtime/common/Cargo.toml
@@ -47,6 +47,7 @@ keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substra
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-babe = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-application-crypto = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-election-providers = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-randomness-collective-flip = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-staking-reward-curve = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-treasury = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/runtime/common/src/paras_registrar.rs b/polkadot/runtime/common/src/paras_registrar.rs
index 5c26ef57db..d60cf22166 100644
--- a/polkadot/runtime/common/src/paras_registrar.rs
+++ b/polkadot/runtime/common/src/paras_registrar.rs
@@ -399,6 +399,13 @@ mod tests {
 		pub const StakingUnsignedPriority: u64 = u64::max_value() / 2;
 	}
 
+	impl sp_election_providers::onchain::Config for Test {
+		type AccountId = <Self as frame_system::Config>::AccountId;
+		type BlockNumber = <Self as frame_system::Config>::BlockNumber;
+		type Accuracy = sp_runtime::Perbill;
+		type DataProvider = pallet_staking::Module<Test>;
+	}
+
 	impl pallet_staking::Config for Test {
 		type RewardRemainder = ();
 		type CurrencyToVote = frame_support::traits::SaturatingCurrencyToVote;
@@ -421,6 +428,7 @@ mod tests {
 		type MaxIterations = ();
 		type MinSolutionScoreBump = ();
 		type OffchainSolutionWeightLimit = ();
+		type ElectionProvider = sp_election_providers::onchain::OnChainSequentialPhragmen<Self>;
 		type WeightInfo = ();
 	}
 
diff --git a/polkadot/runtime/kusama/Cargo.toml b/polkadot/runtime/kusama/Cargo.toml
index dcfb9471a6..f4660b6b3a 100644
--- a/polkadot/runtime/kusama/Cargo.toml
+++ b/polkadot/runtime/kusama/Cargo.toml
@@ -39,7 +39,8 @@ pallet-transaction-payment = { git = "https://github.com/paritytech/substrate",
 pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-collective = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-democracy = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-elections-phragmen = { package = "pallet-elections-phragmen", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+pallet-elections-phragmen = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+pallet-election-provider-multi-phase = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 frame-executive = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-identity = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
@@ -114,6 +115,7 @@ std = [
 	"pallet-transaction-payment-rpc-runtime-api/std",
 	"pallet-collective/std",
 	"pallet-elections-phragmen/std",
+	"pallet-election-provider-multi-phase/std",
 	"pallet-democracy/std",
 	"frame-executive/std",
 	"pallet-grandpa/std",
diff --git a/polkadot/runtime/kusama/src/lib.rs b/polkadot/runtime/kusama/src/lib.rs
index 10c4152c40..b0ecbf1a13 100644
--- a/polkadot/runtime/kusama/src/lib.rs
+++ b/polkadot/runtime/kusama/src/lib.rs
@@ -299,6 +299,41 @@ impl pallet_session::historical::Config for Runtime {
 	type FullIdentificationOf = pallet_staking::ExposureOf<Runtime>;
 }
 
+parameter_types! {
+	// no signed phase for now, just unsigned.
+	pub const SignedPhase: u32 = 0;
+	// NOTE: length of unsigned phase is, for now, different than `ElectionLookahead` to make sure
+	// that we won't run OCW threads at the same time with staking.
+	pub const UnsignedPhase: u32 = ElectionLookahead::get() / 2;
+
+	// fallback: no need to do on-chain phragmen while we re on a dry-run.
+	pub const Fallback: pallet_election_provider_multi_phase::FallbackStrategy =
+		pallet_election_provider_multi_phase::FallbackStrategy::Nothing;
+
+	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational_approximation(1u32, 10_000);
+
+	// miner configs
+	pub MultiPhaseUnsignedPriority: TransactionPriority = StakingUnsignedPriority::get() - 1u64;
+	pub const MinerMaxIterations: u32 = 10;
+}
+
+impl pallet_election_provider_multi_phase::Config for Runtime {
+	type Event = Event;
+	type Currency = Balances;
+	type SignedPhase = SignedPhase;
+	type UnsignedPhase = UnsignedPhase;
+	type SolutionImprovementThreshold = MinSolutionScoreBump;
+	type MinerMaxIterations = MinerMaxIterations;
+	type MinerMaxWeight = OffchainSolutionWeightLimit; // For now use the one from staking.
+	type MinerTxPriority = MultiPhaseUnsignedPriority;
+	type DataProvider = Staking;
+	type OnChainAccuracy = Perbill;
+	type CompactSolution = pallet_staking::CompactAssignments;
+	type Fallback = Fallback;
+	type WeightInfo = pallet_election_provider_multi_phase::weights::SubstrateWeight<Runtime>;
+	type BenchmarkingConfig = ();
+}
+
 // TODO #6469: This shouldn't be static, but a lazily cached value, not built unless needed, and
 // re-built in case input parameters have changed. The `ideal_stake` should be determined by the
 // amount of parachain slots being bid on: this should be around `(75 - 25.min(slots / 4))%`.
@@ -361,6 +396,7 @@ impl pallet_staking::Config for Runtime {
 	// The unsigned solution weight targeted by the OCW. We set it to the maximum possible value of
 	// a single extrinsic.
 	type OffchainSolutionWeightLimit = OffchainSolutionWeightLimit;
+	type ElectionProvider = ElectionProviderMultiPhase;
 	type WeightInfo = weights::pallet_staking::WeightInfo<Runtime>;
 }
 
@@ -994,6 +1030,9 @@ construct_runtime! {
 
 		// Tips module.
 		Tips: pallet_tips::{Module, Call, Storage, Event<T>} = 36,
+
+		// Election pallet. Only works with staking, but placed here to maintain indices.
+		ElectionProviderMultiPhase: pallet_election_provider_multi_phase::{Module, Call, Storage, Event<T>, ValidateUnsigned} = 37,
 	}
 }
 
diff --git a/polkadot/runtime/polkadot/Cargo.toml b/polkadot/runtime/polkadot/Cargo.toml
index 02840176e7..ad4049acd4 100644
--- a/polkadot/runtime/polkadot/Cargo.toml
+++ b/polkadot/runtime/polkadot/Cargo.toml
@@ -40,6 +40,7 @@ pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/parityt
 pallet-collective = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-democracy = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-elections-phragmen = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+pallet-election-provider-multi-phase = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 frame-executive = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-identity = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
@@ -112,6 +113,7 @@ std = [
 	"pallet-transaction-payment-rpc-runtime-api/std",
 	"pallet-collective/std",
 	"pallet-elections-phragmen/std",
+	"pallet-election-provider-multi-phase/std",
 	"pallet-democracy/std",
 	"frame-executive/std",
 	"pallet-grandpa/std",
diff --git a/polkadot/runtime/polkadot/src/lib.rs b/polkadot/runtime/polkadot/src/lib.rs
index 072dcd43e3..5c66a23dc6 100644
--- a/polkadot/runtime/polkadot/src/lib.rs
+++ b/polkadot/runtime/polkadot/src/lib.rs
@@ -124,7 +124,7 @@ impl Filter<Call> for BaseFilter {
 			Call::AuthorityDiscovery(_) |
 			Call::Utility(_) | Call::Claims(_) | Call::Vesting(_) |
 			Call::Identity(_) | Call::Proxy(_) | Call::Multisig(_) |
-			Call::Bounties(_) | Call::Tips(_)
+			Call::Bounties(_) | Call::Tips(_) | Call::ElectionProviderMultiPhase(_)
 			=> true,
 		}
 	}
@@ -308,6 +308,41 @@ impl pallet_session::historical::Config for Runtime {
 	type FullIdentificationOf = pallet_staking::ExposureOf<Runtime>;
 }
 
+parameter_types! {
+	// no signed phase for now, just unsigned.
+	pub const SignedPhase: u32 = 0;
+	// NOTE: length of unsigned phase is, for now, different than `ElectionLookahead` to make sure
+	// that we won't run OCW threads at the same time with staking.
+	pub const UnsignedPhase: u32 = ElectionLookahead::get() / 2;
+
+	// fallback: no need to do on-chain phragmen while we re on a dry-run.
+	pub const Fallback: pallet_election_provider_multi_phase::FallbackStrategy =
+		pallet_election_provider_multi_phase::FallbackStrategy::Nothing;
+
+	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational_approximation(1u32, 10_000);
+
+	// miner configs
+	pub MultiPhaseUnsignedPriority: TransactionPriority = StakingUnsignedPriority::get() - 1u64;
+	pub const MinerMaxIterations: u32 = 10;
+}
+
+impl pallet_election_provider_multi_phase::Config for Runtime {
+	type Event = Event;
+	type Currency = Balances;
+	type SignedPhase = SignedPhase;
+	type UnsignedPhase = UnsignedPhase;
+	type SolutionImprovementThreshold = MinSolutionScoreBump;
+	type MinerMaxIterations = MinerMaxIterations;
+	type MinerMaxWeight = OffchainSolutionWeightLimit; // For now use the one from staking.
+	type MinerTxPriority = MultiPhaseUnsignedPriority;
+	type DataProvider = Staking;
+	type OnChainAccuracy = Perbill;
+	type CompactSolution = pallet_staking::CompactAssignments;
+	type Fallback = Fallback;
+	type WeightInfo = pallet_election_provider_multi_phase::weights::SubstrateWeight<Runtime>;
+	type BenchmarkingConfig = ();
+}
+
 // TODO #6469: This shouldn't be static, but a lazily cached value, not built unless needed, and
 // re-built in case input parameters have changed. The `ideal_stake` should be determined by the
 // amount of parachain slots being bid on: this should be around `(75 - 25.min(slots / 4))%`.
@@ -369,6 +404,7 @@ impl pallet_staking::Config for Runtime {
 	// The unsigned solution weight targeted by the OCW. We set it to the maximum possible value of
 	// a single extrinsic.
 	type OffchainSolutionWeightLimit = OffchainSolutionWeightLimit;
+	type ElectionProvider = ElectionProviderMultiPhase;
 	type WeightInfo = weights::pallet_staking::WeightInfo<Runtime>;
 }
 
@@ -989,6 +1025,9 @@ construct_runtime! {
 		// Tips module.
 		Tips: pallet_tips::{Module, Call, Storage, Event<T>} = 35,
 
+		// Election pallet. Only works with staking, but placed here to maintain indices.
+		ElectionProviderMultiPhase: pallet_election_provider_multi_phase::{Module, Call, Storage, Event<T>, ValidateUnsigned} = 36,
+
 	}
 }
 
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index ceb9a1f885..a84845bbc4 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -26,6 +26,7 @@ sp-staking = { git = "https://github.com/paritytech/substrate", branch = "master
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-session = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-version = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-election-providers = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 tx-pool-api = { package = "sp-transaction-pool", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 block-builder-api = { package = "sp-block-builder", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 
@@ -114,4 +115,5 @@ std = [
 	"sp-session/std",
 	"pallet-randomness-collective-flip/std",
 	"runtime-common/std",
+	"sp-election-providers/std",
 ]
diff --git a/polkadot/runtime/test-runtime/src/lib.rs b/polkadot/runtime/test-runtime/src/lib.rs
index eb1f48ed53..c4a16bbc65 100644
--- a/polkadot/runtime/test-runtime/src/lib.rs
+++ b/polkadot/runtime/test-runtime/src/lib.rs
@@ -310,6 +310,13 @@ parameter_types! {
 	pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
 }
 
+impl sp_election_providers::onchain::Config for Runtime {
+	type AccountId = <Self as frame_system::Config>::AccountId;
+	type BlockNumber = <Self as frame_system::Config>::BlockNumber;
+	type Accuracy = sp_runtime::Perbill;
+	type DataProvider = pallet_staking::Module<Self>;
+}
+
 impl pallet_staking::Config for Runtime {
 	type Currency = Balances;
 	type UnixTime = Timestamp;
@@ -333,6 +340,7 @@ impl pallet_staking::Config for Runtime {
 	type MaxIterations = MaxIterations;
 	type OffchainSolutionWeightLimit = ();
 	type MinSolutionScoreBump = MinSolutionScoreBump;
+	type ElectionProvider = sp_election_providers::onchain::OnChainSequentialPhragmen<Self>;
 	type WeightInfo = ();
 
 }
diff --git a/polkadot/runtime/westend/Cargo.toml b/polkadot/runtime/westend/Cargo.toml
index 95ae996374..992b235c5e 100644
--- a/polkadot/runtime/westend/Cargo.toml
+++ b/polkadot/runtime/westend/Cargo.toml
@@ -17,9 +17,9 @@ static_assertions = "1.1.0"
 
 authority-discovery-primitives = { package = "sp-authority-discovery", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 babe-primitives = { package = "sp-consensus-babe", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-api = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 inherents = { package = "sp-inherents", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 offchain-primitives = { package = "sp-offchain", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-api = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-std = { package = "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 }
 sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
@@ -39,6 +39,7 @@ pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/parityt
 pallet-collective = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-democracy = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-elections-phragmen = { package = "pallet-elections-phragmen", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+pallet-election-provider-multi-phase = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 frame-executive = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-identity = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
@@ -113,6 +114,7 @@ std = [
 	"pallet-transaction-payment-rpc-runtime-api/std",
 	"pallet-collective/std",
 	"pallet-elections-phragmen/std",
+	"pallet-election-provider-multi-phase/std",
 	"pallet-democracy/std",
 	"frame-executive/std",
 	"pallet-grandpa/std",
diff --git a/polkadot/runtime/westend/src/lib.rs b/polkadot/runtime/westend/src/lib.rs
index ac6666bf9c..a6aaeff38a 100644
--- a/polkadot/runtime/westend/src/lib.rs
+++ b/polkadot/runtime/westend/src/lib.rs
@@ -290,6 +290,41 @@ impl pallet_session::historical::Config for Runtime {
 	type FullIdentificationOf = pallet_staking::ExposureOf<Runtime>;
 }
 
+parameter_types! {
+	// no signed phase for now, just unsigned.
+	pub const SignedPhase: u32 = 0;
+	// NOTE: length of unsigned phase is, for now, different than `ElectionLookahead` to make sure
+	// that we won't run OCW threads at the same time with staking.
+	pub const UnsignedPhase: u32 = ElectionLookahead::get() / 2;
+
+	// fallback: no need to do on-chain phragmen while we re on a dry-run.
+	pub const Fallback: pallet_election_provider_multi_phase::FallbackStrategy =
+		pallet_election_provider_multi_phase::FallbackStrategy::Nothing;
+
+	pub SolutionImprovementThreshold: Perbill = Perbill::from_rational_approximation(1u32, 10_000);
+
+	// miner configs
+	pub const MultiPhaseUnsignedPriority: TransactionPriority = StakingUnsignedPriority::get() - 1u64;
+	pub const MinerMaxIterations: u32 = 10;
+}
+
+impl pallet_election_provider_multi_phase::Config for Runtime {
+	type Event = Event;
+	type Currency = Balances;
+	type SignedPhase = SignedPhase;
+	type UnsignedPhase = UnsignedPhase;
+	type SolutionImprovementThreshold = MinSolutionScoreBump;
+	type MinerMaxIterations = MinerMaxIterations;
+	type MinerMaxWeight = OffchainSolutionWeightLimit; // For now use the one from staking.
+	type MinerTxPriority = MultiPhaseUnsignedPriority;
+	type DataProvider = Staking;
+	type OnChainAccuracy = Perbill;
+	type CompactSolution = pallet_staking::CompactAssignments;
+	type Fallback = Fallback;
+	type WeightInfo = pallet_election_provider_multi_phase::weights::SubstrateWeight<Runtime>;
+	type BenchmarkingConfig = ();
+}
+
 pallet_staking_reward_curve::build! {
 	const REWARD_CURVE: PiecewiseLinear<'static> = curve!(
 		min_inflation: 0_025_000,
@@ -339,6 +374,7 @@ impl pallet_staking::Config for Runtime {
 	type MaxIterations = MaxIterations;
 	type MinSolutionScoreBump = MinSolutionScoreBump;
 	type OffchainSolutionWeightLimit = OffchainSolutionWeightLimit;
+	type ElectionProvider = ElectionProviderMultiPhase;
 	type WeightInfo = weights::pallet_staking::WeightInfo<Runtime>;
 }
 
@@ -701,6 +737,9 @@ construct_runtime! {
 
 		// Multisig module. Late addition.
 		Multisig: pallet_multisig::{Module, Call, Storage, Event<T>} = 23,
+
+		// Election pallet. Only works with staking, but placed here to maintain indices.
+		ElectionProviderMultiPhase: pallet_election_provider_multi_phase::{Module, Call, Storage, Event<T>, ValidateUnsigned} = 24,
 	}
 }