diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 03a04cedcb..6fb6f58145 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -483,7 +483,7 @@ version = "4.0.0-dev"
 dependencies = [
  "beefy-primitives",
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "hex",
  "log 0.4.14",
@@ -525,7 +525,7 @@ version = "4.0.0-dev"
 dependencies = [
  "beefy-gadget",
  "beefy-primitives",
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -1312,7 +1312,7 @@ dependencies = [
  "clap 2.34.0",
  "criterion-plot",
  "csv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "itertools",
  "lazy_static",
  "num-traits",
@@ -1967,7 +1967,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e43f2f1833d64e33f15592464d6fdd70f349dda7b1a53088eb83cd94014008c5"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
 ]
 
 [[package]]
@@ -2027,7 +2027,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9def033d8505edf199f6a5d07aa7e6d2d6185b164293b77f0efd108f4f3e11d"
 dependencies = [
  "either",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "log 0.4.14",
  "num-traits",
@@ -2480,9 +2480,9 @@ checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
 
 [[package]]
 name = "futures"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28560757fe2bb34e79f907794bb6b22ae8b0e5c669b638a1132f2592b19035b4"
+checksum = "f73fe65f54d1e12b726f517d3e2135ca3125a437b6d998caf1962961f7172d9e"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -2495,9 +2495,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba3dda0b6588335f360afc675d0564c17a77a2bda81ca178a4b6081bd86c7f0b"
+checksum = "c3083ce4b914124575708913bca19bfe887522d6e2e6d0952943f5eac4a74010"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -2505,15 +2505,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0c8ff0461b82559810cdccfde3215c3f373807f5e5232b71479bff7bb2583d7"
+checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29d6d2ff5bb10fb95c85b8ce46538a2e5f5e7fdc755623a7d4529ab8a4ed9d2a"
+checksum = "9420b90cfa29e327d0429f19be13e7ddb68fa1cccb09d65e5706b8c7a749b8a6"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -2523,9 +2523,9 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f9d34af5a1aac6fb380f735fe510746c38067c5bf16c7fd250280503c971b2"
+checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
 
 [[package]]
 name = "futures-lite"
@@ -2544,9 +2544,9 @@ dependencies = [
 
 [[package]]
 name = "futures-macro"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6dbd947adfffb0efc70599b3ddcf7b5597bb5fa9e245eb99f62b3a5f7bb8bd3c"
+checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2566,15 +2566,15 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3055baccb68d74ff6480350f8d6eb8fcfa3aa11bdc1a1ae3afdd0514617d508"
+checksum = "21163e139fa306126e6eedaf49ecdb4588f939600f0b1e770f4205ee4b7fa868"
 
 [[package]]
 name = "futures-task"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ee7c6485c30167ce4dfb83ac568a849fe53274c831081476ee13e0dce1aad72"
+checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
 
 [[package]]
 name = "futures-timer"
@@ -2584,9 +2584,9 @@ checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
 
 [[package]]
 name = "futures-util"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b5cf40b47a271f77a8b1bec03ca09044d99d2372c0de244e66430761127164"
+checksum = "d8b7abd5d659d9b90c8cba917f6ec750a74e2dc23902ef9cd4cc8c8b22e6036a"
 dependencies = [
  "futures 0.1.31",
  "futures-channel",
@@ -3103,7 +3103,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6d52908d4ea4ab2bc22474ba149bf1011c8e2c3ebc1ff593ae28ac44f494b6"
 dependencies = [
  "async-io",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-lite",
  "if-addrs",
  "ipnet",
@@ -3258,7 +3258,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2b99d4207e2a04fb4581746903c2bb7eb376f88de9c699d0f3e10feeac0cd3a"
 dependencies = [
  "derive_more",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hyper 0.14.16",
  "hyper-tls",
  "jsonrpc-core",
@@ -3277,7 +3277,7 @@ version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14f7f76aef2d054868398427f6c54943cf3d1caa9a7ec7d0c38d69df97a965eb"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-executor",
  "futures-util",
  "log 0.4.14",
@@ -3292,7 +3292,7 @@ version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b51da17abecbdab3e3d4f26b01c5ec075e88d3abe3ab3b05dc9aa69392764ec0"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-client-transports",
 ]
 
@@ -3314,7 +3314,7 @@ version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e1dea6e07251d9ce6a552abfb5d7ad6bc290a4596c8dcc3d795fae2bbdc1f3ff"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "hyper 0.14.16",
  "jsonrpc-core",
  "jsonrpc-server-utils",
@@ -3330,7 +3330,7 @@ version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "382bb0206323ca7cda3dcd7e245cea86d37d02457a02a975e3378fb149a48845"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-server-utils",
  "log 0.4.14",
@@ -3345,7 +3345,7 @@ version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240f87695e6c6f62fb37f05c02c04953cf68d6408b8c1c89de85c7a0125b1011"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "lazy_static",
  "log 0.4.14",
@@ -3361,7 +3361,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa4fdea130485b572c39a460d50888beb00afb3e35de23ccd7fad8ff19f0e0d4"
 dependencies = [
  "bytes 1.1.0",
- "futures 0.3.19",
+ "futures 0.3.21",
  "globset",
  "jsonrpc-core",
  "lazy_static",
@@ -3378,7 +3378,7 @@ version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f892c7d766369475ab7b0669f417906302d7c0fb521285c0a0c92e52e7c8e946"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-server-utils",
  "log 0.4.14",
@@ -3416,7 +3416,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3303cdf246e6ab76e2866fb3d9acb6c76a068b1b28bd923a1b7a8122257ad7b5"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "http",
  "jsonrpsee-core",
  "jsonrpsee-types 0.8.0",
@@ -3519,7 +3519,7 @@ dependencies = [
  "arrayvec 0.7.1",
  "async-trait",
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "http",
  "jsonrpsee-types 0.4.1",
  "log 0.4.14",
@@ -3718,7 +3718,7 @@ checksum = "3bec54343492ba5940a6c555e512c6721139835d28c59bc22febece72dfd0d9d"
 dependencies = [
  "atomic",
  "bytes 1.1.0",
- "futures 0.3.19",
+ "futures 0.3.21",
  "lazy_static",
  "libp2p-core",
  "libp2p-deflate",
@@ -3762,7 +3762,7 @@ dependencies = [
  "ed25519-dalek",
  "either",
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "lazy_static",
  "libsecp256k1",
@@ -3792,7 +3792,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51a800adb195f33de63f4b17b63fe64cfc23bf2c6a0d3d0d5321328664e65197"
 dependencies = [
  "flate2",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
 ]
 
@@ -3803,7 +3803,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb8f89d15cb6e3c5bc22afff7513b11bab7856f2872d3cfba86f7f63a06bc498"
 dependencies = [
  "async-std-resolver",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "log 0.4.14",
  "smallvec 1.8.0",
@@ -3818,7 +3818,7 @@ checksum = "aab3d7210901ea51b7bae2b581aa34521797af8c4ec738c980bda4a06434067f"
 dependencies = [
  "cuckoofilter",
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "libp2p-swarm",
  "log 0.4.14",
@@ -3839,7 +3839,7 @@ dependencies = [
  "byteorder",
  "bytes 1.1.0",
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hex_fmt",
  "libp2p-core",
  "libp2p-swarm",
@@ -3860,7 +3860,7 @@ version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cca1275574183f288ff8b72d535d5ffa5ea9292ef7829af8b47dcb197c7b0dcd"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "libp2p-swarm",
  "log 0.4.14",
@@ -3882,7 +3882,7 @@ dependencies = [
  "bytes 1.1.0",
  "either",
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "libp2p-swarm",
  "log 0.4.14",
@@ -3906,7 +3906,7 @@ dependencies = [
  "async-io",
  "data-encoding",
  "dns-parser",
- "futures 0.3.19",
+ "futures 0.3.21",
  "if-watch",
  "lazy_static",
  "libp2p-core",
@@ -3940,7 +3940,7 @@ checksum = "7f2cd64ef597f40e14bfce0497f50ecb63dd6d201c61796daeb4227078834fbf"
 dependencies = [
  "asynchronous-codec 0.6.0",
  "bytes 1.1.0",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "log 0.4.14",
  "nohash-hasher",
@@ -3958,7 +3958,7 @@ checksum = "a8772c7a99088221bb7ca9c5c0574bf55046a7ab4c319f3619b275f28c8fb87a"
 dependencies = [
  "bytes 1.1.0",
  "curve25519-dalek 3.0.2",
- "futures 0.3.19",
+ "futures 0.3.21",
  "lazy_static",
  "libp2p-core",
  "log 0.4.14",
@@ -3978,7 +3978,7 @@ version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "80ef7b0ec5cf06530d9eb6cf59ae49d46a2c45663bde31c25a12f682664adbcf"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "libp2p-swarm",
  "log 0.4.14",
@@ -3995,7 +3995,7 @@ checksum = "5fba1a6ff33e4a274c89a3b1d78b9f34f32af13265cc5c46c16938262d4e945a"
 dependencies = [
  "asynchronous-codec 0.6.0",
  "bytes 1.1.0",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "log 0.4.14",
  "prost",
@@ -4010,7 +4010,7 @@ version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f1a458bbda880107b5b36fcb9b5a1ef0c329685da0e203ed692a8ebe64cc92c"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "pin-project 1.0.10",
  "rand 0.7.3",
@@ -4026,7 +4026,7 @@ checksum = "2852b61c90fa8ce3c8fcc2aba76e6cefc20d648f9df29157d6b3a916278ef3e3"
 dependencies = [
  "asynchronous-codec 0.6.0",
  "bytes 1.1.0",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "libp2p-core",
  "libp2p-swarm",
@@ -4049,7 +4049,7 @@ checksum = "14a6d2b9e7677eff61dc3d2854876aaf3976d84a01ef6664b610c77a0c9407c5"
 dependencies = [
  "asynchronous-codec 0.6.0",
  "bimap",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "libp2p-swarm",
  "log 0.4.14",
@@ -4071,7 +4071,7 @@ checksum = "a877a4ced6d46bf84677e1974e8cf61fb434af73b2e96fb48d6cb6223a4634d8"
 dependencies = [
  "async-trait",
  "bytes 1.1.0",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "libp2p-swarm",
  "log 0.4.14",
@@ -4089,7 +4089,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f5184a508f223bc100a12665517773fb8730e9f36fc09eefb670bf01b107ae9"
 dependencies = [
  "either",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "log 0.4.14",
  "rand 0.7.3",
@@ -4115,7 +4115,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7399c5b6361ef525d41c11fcf51635724f832baf5819b30d3d873eabb4fbae4b"
 dependencies = [
  "async-io",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "if-watch",
  "ipnet",
@@ -4132,7 +4132,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8b7563e46218165dfd60f64b96f7ce84590d75f53ecbdc74a7dd01450dc5973"
 dependencies = [
  "async-std",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "log 0.4.14",
 ]
@@ -4143,7 +4143,7 @@ version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1008a302b73c5020251f9708c653f5ed08368e530e247cc9cd2f109ff30042cf"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "js-sys",
  "libp2p-core",
  "parity-send-wrapper",
@@ -4158,7 +4158,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22e12df82d1ed64969371a9e65ea92b91064658604cc2576c2757f18ead9a1cf"
 dependencies = [
  "either",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-rustls",
  "libp2p-core",
  "log 0.4.14",
@@ -4175,7 +4175,7 @@ version = "0.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4e7362abb8867d7187e7e93df17f460d554c997fc5c8ac57dc1259057f6889af"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p-core",
  "parking_lot 0.11.2",
  "thiserror",
@@ -4696,7 +4696,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d91ec0a2440aaff5f78ec35631a7027d50386c6163aa975f7caa0d5da4b6ff8"
 dependencies = [
  "bytes 1.1.0",
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "pin-project 1.0.10",
  "smallvec 1.8.0",
@@ -4800,7 +4800,7 @@ dependencies = [
  "clap 3.1.6",
  "derive_more",
  "fs_extra",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hash-db",
  "hex",
  "kvdb",
@@ -4842,7 +4842,7 @@ dependencies = [
  "frame-benchmarking-cli",
  "frame-system",
  "frame-system-rpc-runtime-api",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hex-literal",
  "jsonrpsee-ws-client 0.4.1",
  "log 0.4.14",
@@ -4921,7 +4921,7 @@ dependencies = [
  "frame-benchmarking",
  "frame-support",
  "frame-system",
- "futures 0.3.19",
+ "futures 0.3.21",
  "node-primitives",
  "node-runtime",
  "node-testing",
@@ -5182,7 +5182,7 @@ version = "3.0.0-dev"
 dependencies = [
  "frame-system",
  "fs_extra",
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "node-executor",
  "node-primitives",
@@ -6766,7 +6766,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9981e32fb75e004cc148f5fb70342f393830e0a4aa62e3cc93b50976218d42b6"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "libc",
  "log 0.4.14",
  "rand 0.7.3",
@@ -7975,7 +7975,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4da5fcb054c46f5a5dff833b129285a93d3f0179531735e6c866e8cc307d2020"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "pin-project 0.4.27",
  "static_assertions",
 ]
@@ -8034,7 +8034,7 @@ name = "sc-authority-discovery"
 version = "0.10.0-dev"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "ip_network",
  "libp2p",
@@ -8062,7 +8062,7 @@ dependencies = [
 name = "sc-basic-authorship"
 version = "0.10.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "log 0.4.14",
  "parity-scale-codec",
@@ -8132,7 +8132,7 @@ dependencies = [
  "chrono",
  "clap 3.1.6",
  "fdlimit",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hex",
  "libp2p",
  "log 0.4.14",
@@ -8168,7 +8168,7 @@ name = "sc-client-api"
 version = "4.0.0-dev"
 dependencies = [
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hash-db",
  "log 0.4.14",
  "parity-scale-codec",
@@ -8226,7 +8226,7 @@ name = "sc-consensus"
 version = "0.10.0-dev"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "libp2p",
  "log 0.4.14",
@@ -8250,7 +8250,7 @@ name = "sc-consensus-aura"
 version = "0.10.0-dev"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "parity-scale-codec",
  "parking_lot 0.12.0",
@@ -8288,7 +8288,7 @@ version = "0.10.0-dev"
 dependencies = [
  "async-trait",
  "fork-tree",
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "merlin",
  "num-bigint",
@@ -8336,7 +8336,7 @@ dependencies = [
 name = "sc-consensus-babe-rpc"
 version = "0.10.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -8379,7 +8379,7 @@ version = "0.10.0-dev"
 dependencies = [
  "assert_matches",
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -8417,7 +8417,7 @@ name = "sc-consensus-pow"
 version = "0.10.0-dev"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "log 0.4.14",
  "parity-scale-codec",
@@ -8441,7 +8441,7 @@ name = "sc-consensus-slots"
 version = "0.10.0-dev"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "log 0.4.14",
  "parity-scale-codec",
@@ -8573,7 +8573,7 @@ dependencies = [
  "dyn-clone",
  "finality-grandpa",
  "fork-tree",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "hex",
  "log 0.4.14",
@@ -8615,7 +8615,7 @@ name = "sc-finality-grandpa-rpc"
 version = "0.10.0-dev"
 dependencies = [
  "finality-grandpa",
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -8642,7 +8642,7 @@ name = "sc-informant"
 version = "0.10.0-dev"
 dependencies = [
  "ansi_term",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "log 0.4.14",
  "parity-util-mem",
@@ -8682,7 +8682,7 @@ dependencies = [
  "either",
  "fnv",
  "fork-tree",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "hex",
  "ip_network",
@@ -8730,7 +8730,7 @@ version = "0.10.0-dev"
 dependencies = [
  "ahash",
  "async-std",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "libp2p",
  "log 0.4.14",
@@ -8749,7 +8749,7 @@ version = "0.8.0"
 dependencies = [
  "async-std",
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "libp2p",
  "log 0.4.14",
@@ -8776,7 +8776,7 @@ version = "4.0.0-dev"
 dependencies = [
  "bytes 1.1.0",
  "fnv",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "hex",
  "hyper 0.14.16",
@@ -8810,7 +8810,7 @@ dependencies = [
 name = "sc-peerset"
 version = "4.0.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p",
  "log 0.4.14",
  "rand 0.7.3",
@@ -8832,7 +8832,7 @@ name = "sc-rpc"
 version = "4.0.0-dev"
 dependencies = [
  "assert_matches",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hash-db",
  "jsonrpc-core",
  "jsonrpc-pubsub",
@@ -8868,7 +8868,7 @@ dependencies = [
 name = "sc-rpc-api"
 version = "0.10.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -8893,7 +8893,7 @@ dependencies = [
 name = "sc-rpc-server"
 version = "4.0.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-http-server",
  "jsonrpc-ipc-server",
@@ -8927,7 +8927,7 @@ dependencies = [
  "async-trait",
  "directories",
  "exit-future",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "hash-db",
  "jsonrpc-core",
@@ -8990,7 +8990,7 @@ name = "sc-service-test"
 version = "2.0.0"
 dependencies = [
  "fdlimit",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hex",
  "hex-literal",
  "log 0.4.14",
@@ -9059,7 +9059,7 @@ name = "sc-telemetry"
 version = "4.0.0-dev"
 dependencies = [
  "chrono",
- "futures 0.3.19",
+ "futures 0.3.21",
  "libp2p",
  "log 0.4.14",
  "parking_lot 0.12.0",
@@ -9118,7 +9118,7 @@ version = "4.0.0-dev"
 dependencies = [
  "assert_matches",
  "criterion",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "hex",
  "linked-hash-map",
@@ -9150,7 +9150,7 @@ dependencies = [
 name = "sc-transaction-pool-api"
 version = "4.0.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "serde",
  "sp-blockchain",
@@ -9162,7 +9162,7 @@ dependencies = [
 name = "sc-utils"
 version = "4.0.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "lazy_static",
  "log 0.4.14",
@@ -9639,7 +9639,7 @@ checksum = "b5c71ed3d54db0a699f4948e1bb3e45b450fa31fe602621dee6680361d569c88"
 dependencies = [
  "base64 0.12.3",
  "bytes 0.5.6",
- "futures 0.3.19",
+ "futures 0.3.21",
  "httparse",
  "log 0.4.14",
  "rand 0.7.3",
@@ -9655,7 +9655,7 @@ dependencies = [
  "base64 0.13.0",
  "bytes 1.1.0",
  "flate2",
- "futures 0.3.19",
+ "futures 0.3.21",
  "httparse",
  "log 0.4.14",
  "rand 0.8.4",
@@ -9695,7 +9695,7 @@ name = "sp-api-test"
 version = "2.0.1"
 dependencies = [
  "criterion",
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "parity-scale-codec",
  "rustversion",
@@ -9800,7 +9800,7 @@ dependencies = [
 name = "sp-blockchain"
 version = "4.0.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "lru 0.7.3",
  "parity-scale-codec",
@@ -9818,7 +9818,7 @@ name = "sp-consensus"
 version = "0.10.0-dev"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "futures-timer",
  "log 0.4.14",
  "parity-scale-codec",
@@ -9917,7 +9917,7 @@ dependencies = [
  "criterion",
  "dyn-clonable",
  "ed25519-dalek",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hash-db",
  "hash256-std-hasher",
  "hex",
@@ -10028,7 +10028,7 @@ name = "sp-inherents"
 version = "4.0.0-dev"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "impl-trait-for-tuples",
  "parity-scale-codec",
  "sp-core",
@@ -10041,7 +10041,7 @@ dependencies = [
 name = "sp-io"
 version = "6.0.0"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "hash-db",
  "libsecp256k1",
  "log 0.4.14",
@@ -10076,7 +10076,7 @@ name = "sp-keystore"
 version = "0.12.0"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "merlin",
  "parity-scale-codec",
  "parking_lot 0.12.0",
@@ -10599,7 +10599,7 @@ version = "3.0.0"
 dependencies = [
  "frame-support",
  "frame-system",
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-client-transports",
  "parity-scale-codec",
  "sc-rpc-api",
@@ -10614,7 +10614,7 @@ name = "substrate-frame-rpc-system"
 version = "4.0.0-dev"
 dependencies = [
  "frame-system-rpc-runtime-api",
- "futures 0.3.19",
+ "futures 0.3.21",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -10673,7 +10673,7 @@ name = "substrate-test-client"
 version = "2.0.1"
 dependencies = [
  "async-trait",
- "futures 0.3.19",
+ "futures 0.3.21",
  "hex",
  "parity-scale-codec",
  "sc-client-api",
@@ -10702,7 +10702,7 @@ dependencies = [
  "frame-support",
  "frame-system",
  "frame-system-rpc-runtime-api",
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "memory-db",
  "pallet-babe",
@@ -10744,7 +10744,7 @@ dependencies = [
 name = "substrate-test-runtime-client"
 version = "2.0.0"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "parity-scale-codec",
  "sc-block-builder",
  "sc-client-api",
@@ -10762,7 +10762,7 @@ dependencies = [
 name = "substrate-test-runtime-transaction-pool"
 version = "2.0.0"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "parity-scale-codec",
  "parking_lot 0.12.0",
  "sc-transaction-pool",
@@ -10777,7 +10777,7 @@ dependencies = [
 name = "substrate-test-utils"
 version = "4.0.0-dev"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "sc-service",
  "substrate-test-utils-derive",
  "tokio",
@@ -11809,7 +11809,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be0ecb0db480561e9a7642b5d3e4187c128914e58aa84330b9493e3eb68c5e7f"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "js-sys",
  "parking_lot 0.11.2",
  "pin-utils",
@@ -12465,7 +12465,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7d9028f208dd5e63c614be69f115c1b53cacc1111437d4c765185856666c107"
 dependencies = [
- "futures 0.3.19",
+ "futures 0.3.21",
  "log 0.4.14",
  "nohash-hasher",
  "parking_lot 0.11.2",
diff --git a/substrate/bin/node/bench/Cargo.toml b/substrate/bin/node/bench/Cargo.toml
index 7bdf46e2b6..45a959ac16 100644
--- a/substrate/bin/node/bench/Cargo.toml
+++ b/substrate/bin/node/bench/Cargo.toml
@@ -39,4 +39,4 @@ parity-util-mem = { version = "0.11.0", default-features = false, features = ["p
 parity-db = { version = "0.3" }
 sc-transaction-pool = { version = "4.0.0-dev", path = "../../../client/transaction-pool" }
 sc-transaction-pool-api = { version = "4.0.0-dev", path = "../../../client/transaction-pool/api" }
-futures = { version = "0.3.19", features = ["thread-pool"] }
+futures = { version = "0.3.21", features = ["thread-pool"] }
diff --git a/substrate/bin/node/cli/Cargo.toml b/substrate/bin/node/cli/Cargo.toml
index a1aa695bf3..d25c1b1f0b 100644
--- a/substrate/bin/node/cli/Cargo.toml
+++ b/substrate/bin/node/cli/Cargo.toml
@@ -37,7 +37,7 @@ crate-type = ["cdylib", "rlib"]
 clap = { version = "3.1.6", features = ["derive"], optional = true }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 serde = { version = "1.0.136", features = ["derive"] }
-futures = "0.3.19"
+futures = "0.3.21"
 hex-literal = "0.3.4"
 log = "0.4.8"
 rand = "0.8"
@@ -116,7 +116,7 @@ sc-service-test = { version = "2.0.0", path = "../../../client/service/test" }
 sc-block-builder = { version = "0.10.0-dev", path = "../../../client/block-builder" }
 sp-tracing = { version = "5.0.0", path = "../../../primitives/tracing" }
 sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain" }
-futures = "0.3.19"
+futures = "0.3.21"
 tempfile = "3.1.0"
 assert_cmd = "2.0.2"
 nix = "0.23"
diff --git a/substrate/bin/node/executor/Cargo.toml b/substrate/bin/node/executor/Cargo.toml
index 21862ecf81..3425a0df65 100644
--- a/substrate/bin/node/executor/Cargo.toml
+++ b/substrate/bin/node/executor/Cargo.toml
@@ -40,7 +40,7 @@ sp-runtime = { version = "6.0.0", path = "../../../primitives/runtime" }
 sp-externalities = { version = "0.12.0", path = "../../../primitives/externalities" }
 sp-keyring = { version = "6.0.0", path = "../../../primitives/keyring" }
 wat = "1.0"
-futures = "0.3.19"
+futures = "0.3.21"
 
 [features]
 wasmtime = ["sc-executor/wasmtime"]
diff --git a/substrate/bin/node/testing/Cargo.toml b/substrate/bin/node/testing/Cargo.toml
index 36a25ab7d4..02d13f0c64 100644
--- a/substrate/bin/node/testing/Cargo.toml
+++ b/substrate/bin/node/testing/Cargo.toml
@@ -48,4 +48,4 @@ sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain"
 log = "0.4.8"
 tempfile = "3.1.0"
 fs_extra = "1"
-futures = "0.3.19"
+futures = "0.3.21"
diff --git a/substrate/client/api/Cargo.toml b/substrate/client/api/Cargo.toml
index 3d1802c379..d209a311f4 100644
--- a/substrate/client/api/Cargo.toml
+++ b/substrate/client/api/Cargo.toml
@@ -21,7 +21,7 @@ sp-consensus = { version = "0.10.0-dev", path = "../../primitives/consensus/comm
 sc-executor = { version = "0.10.0-dev", path = "../executor" }
 sp-externalities = { version = "0.12.0", path = "../../primitives/externalities" }
 fnv = "1.0.6"
-futures = "0.3.19"
+futures = "0.3.21"
 hash-db = { version = "0.15.2", default-features = false }
 sp-blockchain = { version = "4.0.0-dev", path = "../../primitives/blockchain" }
 log = "0.4.8"
diff --git a/substrate/client/authority-discovery/Cargo.toml b/substrate/client/authority-discovery/Cargo.toml
index d866bafb29..ba432d0736 100644
--- a/substrate/client/authority-discovery/Cargo.toml
+++ b/substrate/client/authority-discovery/Cargo.toml
@@ -20,7 +20,7 @@ prost-build = "0.9"
 async-trait = "0.1"
 codec = { package = "parity-scale-codec", default-features = false, version = "3.0.0" }
 thiserror = "1.0"
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 ip_network = "0.4.1"
 libp2p = { version = "0.40.0", default-features = false, features = ["kad"] }
diff --git a/substrate/client/basic-authorship/Cargo.toml b/substrate/client/basic-authorship/Cargo.toml
index 4fd1408355..20560d4c83 100644
--- a/substrate/client/basic-authorship/Cargo.toml
+++ b/substrate/client/basic-authorship/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 log = "0.4.8"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../utils/prometheus", version = "0.10.0-dev"}
diff --git a/substrate/client/beefy/rpc/Cargo.toml b/substrate/client/beefy/rpc/Cargo.toml
index ebbb9527f9..47f2558c5e 100644
--- a/substrate/client/beefy/rpc/Cargo.toml
+++ b/substrate/client/beefy/rpc/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://github.com/paritytech/substrate"
 description = "RPC for the BEEFY Client gadget for substrate"
 
 [dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 log = "0.4"
 parking_lot = "0.12.0"
 thiserror = "1.0"
diff --git a/substrate/client/cli/Cargo.toml b/substrate/client/cli/Cargo.toml
index 7725e25c0b..1fabbca469 100644
--- a/substrate/client/cli/Cargo.toml
+++ b/substrate/client/cli/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 chrono = "0.4.10"
 clap = { version = "3.1.6", features = ["derive"] }
 fdlimit = "0.2.1"
-futures = "0.3.19"
+futures = "0.3.21"
 hex = "0.4.2"
 libp2p = "0.40.0"
 log = "0.4.11"
diff --git a/substrate/client/consensus/aura/Cargo.toml b/substrate/client/consensus/aura/Cargo.toml
index 2ad61f2bc4..ac90d35dbc 100644
--- a/substrate/client/consensus/aura/Cargo.toml
+++ b/substrate/client/consensus/aura/Cargo.toml
@@ -23,7 +23,7 @@ sp-consensus = { version = "0.10.0-dev", path = "../../../primitives/consensus/c
 sc-consensus = { version = "0.10.0-dev", path = "../../../client/consensus/common" }
 sp-consensus-slots = { version = "0.10.0-dev", path = "../../../primitives/consensus/slots" }
 thiserror = "1.0"
-futures = "0.3.19"
+futures = "0.3.21"
 sp-inherents = { version = "4.0.0-dev", path = "../../../primitives/inherents" }
 log = "0.4.8"
 sp-core = { version = "6.0.0", path = "../../../primitives/core" }
diff --git a/substrate/client/consensus/babe/Cargo.toml b/substrate/client/consensus/babe/Cargo.toml
index a135807d70..20cc359849 100644
--- a/substrate/client/consensus/babe/Cargo.toml
+++ b/substrate/client/consensus/babe/Cargo.toml
@@ -43,7 +43,7 @@ sc-consensus-slots = { version = "0.10.0-dev", path = "../slots" }
 sp-runtime = { version = "6.0.0", path = "../../../primitives/runtime" }
 fork-tree = { version = "3.0.0", path = "../../../utils/fork-tree" }
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../../../utils/prometheus", version = "0.10.0-dev" }
-futures = "0.3.19"
+futures = "0.3.21"
 parking_lot = "0.12.0"
 log = "0.4.8"
 schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated"] }
diff --git a/substrate/client/consensus/babe/rpc/Cargo.toml b/substrate/client/consensus/babe/rpc/Cargo.toml
index ee6549480a..cce4544f09 100644
--- a/substrate/client/consensus/babe/rpc/Cargo.toml
+++ b/substrate/client/consensus/babe/rpc/Cargo.toml
@@ -23,7 +23,7 @@ serde = { version = "1.0.136", features = ["derive"] }
 sp-blockchain = { version = "4.0.0-dev", path = "../../../../primitives/blockchain" }
 sp-runtime = { version = "6.0.0", path = "../../../../primitives/runtime" }
 sc-consensus-epochs = { version = "0.10.0-dev", path = "../../epochs" }
-futures = "0.3.19"
+futures = "0.3.21"
 thiserror = "1.0"
 sp-api = { version = "4.0.0-dev", path = "../../../../primitives/api" }
 sp-consensus = { version = "0.10.0-dev", path = "../../../../primitives/consensus/common" }
diff --git a/substrate/client/consensus/common/Cargo.toml b/substrate/client/consensus/common/Cargo.toml
index 3c640a2363..4bd5cff457 100644
--- a/substrate/client/consensus/common/Cargo.toml
+++ b/substrate/client/consensus/common/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 thiserror = "1.0.30"
 libp2p = { version = "0.40.0", default-features = false }
 log = "0.4.8"
-futures = { version = "0.3.19", features = ["thread-pool"] }
+futures = { version = "0.3.21", features = ["thread-pool"] }
 futures-timer = "3.0.1"
 sc-client-api = { version = "4.0.0-dev", path = "../../api" }
 sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain" }
diff --git a/substrate/client/consensus/manual-seal/Cargo.toml b/substrate/client/consensus/manual-seal/Cargo.toml
index 62650d50ce..360cfe862f 100644
--- a/substrate/client/consensus/manual-seal/Cargo.toml
+++ b/substrate/client/consensus/manual-seal/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 thiserror = "1.0"
-futures = "0.3.19"
+futures = "0.3.21"
 jsonrpc-core = "18.0.0"
 jsonrpc-core-client = "18.0.0"
 jsonrpc-derive = "18.0.0"
diff --git a/substrate/client/consensus/pow/Cargo.toml b/substrate/client/consensus/pow/Cargo.toml
index 553ef60e81..4ddbf0c0ea 100644
--- a/substrate/client/consensus/pow/Cargo.toml
+++ b/substrate/client/consensus/pow/Cargo.toml
@@ -25,7 +25,7 @@ sp-consensus-pow = { version = "0.10.0-dev", path = "../../../primitives/consens
 sp-consensus = { version = "0.10.0-dev", path = "../../../primitives/consensus/common" }
 sc-consensus = { version = "0.10.0-dev", path = "../../../client/consensus/common" }
 log = "0.4.8"
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 parking_lot = "0.12.0"
 thiserror = "1.0"
diff --git a/substrate/client/consensus/slots/Cargo.toml b/substrate/client/consensus/slots/Cargo.toml
index 07e0c291f4..2884f8443e 100644
--- a/substrate/client/consensus/slots/Cargo.toml
+++ b/substrate/client/consensus/slots/Cargo.toml
@@ -27,7 +27,7 @@ sc-telemetry = { version = "4.0.0-dev", path = "../../telemetry" }
 sp-consensus = { version = "0.10.0-dev", path = "../../../primitives/consensus/common" }
 sp-inherents = { version = "4.0.0-dev", path = "../../../primitives/inherents" }
 sp-timestamp = { version = "4.0.0-dev", path = "../../../primitives/timestamp" }
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 log = "0.4.11"
 thiserror = "1.0.30"
diff --git a/substrate/client/finality-grandpa/Cargo.toml b/substrate/client/finality-grandpa/Cargo.toml
index b8b41ba703..58dc22192c 100644
--- a/substrate/client/finality-grandpa/Cargo.toml
+++ b/substrate/client/finality-grandpa/Cargo.toml
@@ -17,7 +17,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 thiserror = "1.0"
 dyn-clone = "1.0"
 fork-tree = { version = "3.0.0", path = "../../utils/fork-tree" }
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 hex = "0.4.2"
 log = "0.4.8"
diff --git a/substrate/client/informant/Cargo.toml b/substrate/client/informant/Cargo.toml
index dba0555c68..e58763a4eb 100644
--- a/substrate/client/informant/Cargo.toml
+++ b/substrate/client/informant/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 ansi_term = "0.12.1"
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 log = "0.4.8"
 parity-util-mem = { version = "0.11.0", default-features = false, features = ["primitive-types"] }
diff --git a/substrate/client/network-gossip/Cargo.toml b/substrate/client/network-gossip/Cargo.toml
index c8410d6d18..51f5b65840 100644
--- a/substrate/client/network-gossip/Cargo.toml
+++ b/substrate/client/network-gossip/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 
 [dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 libp2p = { version = "0.40.0", default-features = false }
 log = "0.4.8"
diff --git a/substrate/client/network/Cargo.toml b/substrate/client/network/Cargo.toml
index cd33830c1e..be69663b9a 100644
--- a/substrate/client/network/Cargo.toml
+++ b/substrate/client/network/Cargo.toml
@@ -27,7 +27,7 @@ codec = { package = "parity-scale-codec", version = "3.0.0", features = [
 either = "1.5.3"
 fnv = "1.0.6"
 fork-tree = { version = "3.0.0", path = "../../utils/fork-tree" }
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.2"
 asynchronous-codec = "0.5"
 hex = "0.4.0"
diff --git a/substrate/client/network/test/Cargo.toml b/substrate/client/network/test/Cargo.toml
index be15cbc807..b9505f97d1 100644
--- a/substrate/client/network/test/Cargo.toml
+++ b/substrate/client/network/test/Cargo.toml
@@ -17,7 +17,7 @@ async-std = "1.10.0"
 sc-network = { version = "0.10.0-dev", path = "../" }
 log = "0.4.8"
 parking_lot = "0.12.0"
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.1"
 rand = "0.7.2"
 libp2p = { version = "0.40.0", default-features = false }
diff --git a/substrate/client/offchain/Cargo.toml b/substrate/client/offchain/Cargo.toml
index 3edba1f457..6cb1f83e36 100644
--- a/substrate/client/offchain/Cargo.toml
+++ b/substrate/client/offchain/Cargo.toml
@@ -17,7 +17,7 @@ bytes = "1.1"
 codec = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"] }
 hex = "0.4"
 fnv = "1.0.6"
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.2"
 num_cpus = "1.13"
 parking_lot = "0.12.0"
diff --git a/substrate/client/peerset/Cargo.toml b/substrate/client/peerset/Cargo.toml
index 12991eac81..b292f300ba 100644
--- a/substrate/client/peerset/Cargo.toml
+++ b/substrate/client/peerset/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 libp2p = { version = "0.40.0", default-features = false }
 sc-utils = { version = "4.0.0-dev", path = "../utils"}
 log = "0.4.8"
diff --git a/substrate/client/rpc-api/Cargo.toml b/substrate/client/rpc-api/Cargo.toml
index 06deb0eef0..20a18ec6c6 100644
--- a/substrate/client/rpc-api/Cargo.toml
+++ b/substrate/client/rpc-api/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-futures = "0.3.19"
+futures = "0.3.21"
 jsonrpc-core = "18.0.0"
 jsonrpc-core-client = "18.0.0"
 jsonrpc-derive = "18.0.0"
diff --git a/substrate/client/rpc-servers/Cargo.toml b/substrate/client/rpc-servers/Cargo.toml
index 6b2c9f5aa3..c5af4ba200 100644
--- a/substrate/client/rpc-servers/Cargo.toml
+++ b/substrate/client/rpc-servers/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 jsonrpc-core = "18.0.0"
 pubsub = { package = "jsonrpc-pubsub", version = "18.0.0" }
 log = "0.4.8"
diff --git a/substrate/client/rpc/Cargo.toml b/substrate/client/rpc/Cargo.toml
index eeeb67f362..4fea6501f6 100644
--- a/substrate/client/rpc/Cargo.toml
+++ b/substrate/client/rpc/Cargo.toml
@@ -17,7 +17,7 @@ sc-rpc-api = { version = "0.10.0-dev", path = "../rpc-api" }
 sc-client-api = { version = "4.0.0-dev", path = "../api" }
 sp-api = { version = "4.0.0-dev", path = "../../primitives/api" }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-futures = "0.3.19"
+futures = "0.3.21"
 jsonrpc-pubsub = "18.0.0"
 log = "0.4.8"
 sp-core = { version = "6.0.0", path = "../../primitives/core" }
diff --git a/substrate/client/service/Cargo.toml b/substrate/client/service/Cargo.toml
index 2cb23fed40..47474217eb 100644
--- a/substrate/client/service/Cargo.toml
+++ b/substrate/client/service/Cargo.toml
@@ -23,7 +23,7 @@ test-helpers = []
 
 [dependencies]
 thiserror = "1.0.30"
-futures = "0.3.19"
+futures = "0.3.21"
 jsonrpc-pubsub = "18.0"
 jsonrpc-core = "18.0"
 rand = "0.7.3"
diff --git a/substrate/client/service/test/Cargo.toml b/substrate/client/service/test/Cargo.toml
index fa3c49a234..ab92de4e84 100644
--- a/substrate/client/service/test/Cargo.toml
+++ b/substrate/client/service/test/Cargo.toml
@@ -26,7 +26,7 @@ sp-externalities = { version = "0.12.0", path = "../../../primitives/externaliti
 sp-trie = { version = "6.0.0", path = "../../../primitives/trie" }
 sp-storage = { version = "6.0.0", path = "../../../primitives/storage" }
 sc-client-db = { version = "0.10.0-dev", default-features = false, path = "../../db" }
-futures = "0.3.19"
+futures = "0.3.21"
 sc-service = { version = "0.10.0-dev", features = ["test-helpers"], path = "../../service" }
 sc-network = { version = "0.10.0-dev", path = "../../network" }
 sp-consensus = { version = "0.10.0-dev", path = "../../../primitives/consensus/common" }
diff --git a/substrate/client/telemetry/Cargo.toml b/substrate/client/telemetry/Cargo.toml
index 6daa75f453..67583e325f 100644
--- a/substrate/client/telemetry/Cargo.toml
+++ b/substrate/client/telemetry/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 parking_lot = "0.12.0"
-futures = "0.3.19"
+futures = "0.3.21"
 wasm-timer = "0.2.5"
 libp2p = { version = "0.40.0", default-features = false, features = ["dns-async-std", "tcp-async-io", "wasm-ext", "websocket"] }
 log = "0.4.8"
diff --git a/substrate/client/transaction-pool/Cargo.toml b/substrate/client/transaction-pool/Cargo.toml
index 4c9a341db6..df309760b8 100644
--- a/substrate/client/transaction-pool/Cargo.toml
+++ b/substrate/client/transaction-pool/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 thiserror = "1.0.30"
-futures = "0.3.19"
+futures = "0.3.21"
 futures-timer = "3.0.2"
 log = "0.4.8"
 parity-util-mem = { version = "0.11.0", default-features = false, features = ["primitive-types"] }
diff --git a/substrate/client/transaction-pool/api/Cargo.toml b/substrate/client/transaction-pool/api/Cargo.toml
index b444be6c6e..8dd5e7253f 100644
--- a/substrate/client/transaction-pool/api/Cargo.toml
+++ b/substrate/client/transaction-pool/api/Cargo.toml
@@ -9,7 +9,7 @@ repository = "https://github.com/paritytech/substrate/"
 description = "Transaction pool client facing API."
 
 [dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 log = "0.4.8"
 serde = { version = "1.0.136", features = ["derive"] }
 thiserror = "1.0.30"
diff --git a/substrate/client/utils/Cargo.toml b/substrate/client/utils/Cargo.toml
index a107aab1db..2f1338577e 100644
--- a/substrate/client/utils/Cargo.toml
+++ b/substrate/client/utils/Cargo.toml
@@ -10,7 +10,7 @@ description = "I/O for Substrate runtimes"
 readme = "README.md"
 
 [dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 lazy_static = "1.4.0"
 parking_lot = "0.12.0"
 prometheus = { version = "0.13.0", default-features = false }
diff --git a/substrate/primitives/api/test/Cargo.toml b/substrate/primitives/api/test/Cargo.toml
index 786639f393..9f9f399234 100644
--- a/substrate/primitives/api/test/Cargo.toml
+++ b/substrate/primitives/api/test/Cargo.toml
@@ -26,7 +26,7 @@ rustversion = "1.0.6"
 
 [dev-dependencies]
 criterion = "0.3.0"
-futures = "0.3.19"
+futures = "0.3.21"
 log = "0.4.14"
 sp-core = { version = "6.0.0", path = "../../core" }
 
diff --git a/substrate/primitives/blockchain/Cargo.toml b/substrate/primitives/blockchain/Cargo.toml
index 4c9946b7a3..a79bc9c559 100644
--- a/substrate/primitives/blockchain/Cargo.toml
+++ b/substrate/primitives/blockchain/Cargo.toml
@@ -18,7 +18,7 @@ log = "0.4.11"
 lru = "0.7.3"
 parking_lot = "0.12.0"
 thiserror = "1.0.30"
-futures = "0.3.19"
+futures = "0.3.21"
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
 sp-consensus = { version = "0.10.0-dev", path = "../consensus/common" }
 sp-runtime = { version = "6.0.0", path = "../runtime" }
diff --git a/substrate/primitives/consensus/common/Cargo.toml b/substrate/primitives/consensus/common/Cargo.toml
index c712eff285..35bd7f33fb 100644
--- a/substrate/primitives/consensus/common/Cargo.toml
+++ b/substrate/primitives/consensus/common/Cargo.toml
@@ -18,7 +18,7 @@ async-trait = "0.1.42"
 codec = { package = "parity-scale-codec", version = "3.0.0", features = [
     "derive",
 ] }
-futures = { version = "0.3.19", features = ["thread-pool"] }
+futures = { version = "0.3.21", features = ["thread-pool"] }
 log = "0.4.8"
 sp-core = { path = "../../core", version = "6.0.0"}
 sp-inherents = { version = "4.0.0-dev", path = "../../inherents" }
@@ -30,7 +30,7 @@ sp-runtime = { version = "6.0.0", path = "../../runtime" }
 thiserror = "1.0.30"
 
 [dev-dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 sp-test-primitives = { version = "2.0.0", path = "../../test-primitives" }
 
 [features]
diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index 413a11c9dc..74a159b2e7 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -41,7 +41,7 @@ sp-debug-derive = { version = "4.0.0", default-features = false, path = "../debu
 sp-storage = { version = "6.0.0", default-features = false, path = "../storage" }
 sp-externalities = { version = "0.12.0", optional = true, path = "../externalities" }
 parity-util-mem = { version = "0.11.0", default-features = false, features = ["primitive-types"] }
-futures = { version = "0.3.19", optional = true }
+futures = { version = "0.3.21", optional = true }
 dyn-clonable = { version = "0.9.0", optional = true }
 thiserror = { version = "1.0.30", optional = true }
 bitflags = "1.3"
diff --git a/substrate/primitives/inherents/Cargo.toml b/substrate/primitives/inherents/Cargo.toml
index a90fb67e23..f7beb7bdfc 100644
--- a/substrate/primitives/inherents/Cargo.toml
+++ b/substrate/primitives/inherents/Cargo.toml
@@ -24,7 +24,7 @@ impl-trait-for-tuples = "0.2.0"
 async-trait = { version = "0.1.50", optional = true }
 
 [dev-dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 
 [features]
 default = [ "std" ]
diff --git a/substrate/primitives/io/Cargo.toml b/substrate/primitives/io/Cargo.toml
index c51e34b861..bdae6174a8 100644
--- a/substrate/primitives/io/Cargo.toml
+++ b/substrate/primitives/io/Cargo.toml
@@ -28,7 +28,7 @@ sp-trie = { version = "6.0.0", optional = true, path = "../trie" }
 sp-externalities = { version = "0.12.0", optional = true, path = "../externalities" }
 sp-tracing = { version = "5.0.0", default-features = false, path = "../tracing" }
 log = { version = "0.4.8", optional = true }
-futures = { version = "0.3.19", features = ["thread-pool"], optional = true }
+futures = { version = "0.3.21", features = ["thread-pool"], optional = true }
 parking_lot = { version = "0.12.0", optional = true }
 secp256k1 = { version = "0.21.2", features = ["recovery", "global-context"], optional = true }
 tracing = { version = "0.1.29", default-features = false }
diff --git a/substrate/primitives/keystore/Cargo.toml b/substrate/primitives/keystore/Cargo.toml
index 7b1d1dd4eb..f201cb8518 100644
--- a/substrate/primitives/keystore/Cargo.toml
+++ b/substrate/primitives/keystore/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 async-trait = "0.1.50"
-futures = "0.3.19"
+futures = "0.3.21"
 parking_lot = { version = "0.12.0", default-features = false }
 serde = { version = "1.0", optional = true }
 thiserror = "1.0"
diff --git a/substrate/test-utils/client/Cargo.toml b/substrate/test-utils/client/Cargo.toml
index 1f7115cf16..f99300f27e 100644
--- a/substrate/test-utils/client/Cargo.toml
+++ b/substrate/test-utils/client/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-futures = "0.3.19"
+futures = "0.3.21"
 hex = "0.4"
 serde = "1.0.136"
 serde_json = "1.0.79"
diff --git a/substrate/test-utils/runtime/Cargo.toml b/substrate/test-utils/runtime/Cargo.toml
index ad7dca5e08..cbefed27ca 100644
--- a/substrate/test-utils/runtime/Cargo.toml
+++ b/substrate/test-utils/runtime/Cargo.toml
@@ -56,7 +56,7 @@ sc-block-builder = { version = "0.10.0-dev", path = "../../client/block-builder"
 sc-executor = { version = "0.10.0-dev", path = "../../client/executor" }
 sp-consensus = { version = "0.10.0-dev", path = "../../primitives/consensus/common" }
 substrate-test-runtime-client = { version = "2.0.0", path = "./client" }
-futures = "0.3.19"
+futures = "0.3.21"
 
 [build-dependencies]
 substrate-wasm-builder = { version = "5.0.0-dev", path = "../../utils/wasm-builder" }
diff --git a/substrate/test-utils/runtime/client/Cargo.toml b/substrate/test-utils/runtime/client/Cargo.toml
index 642d754868..a22d9f302a 100644
--- a/substrate/test-utils/runtime/client/Cargo.toml
+++ b/substrate/test-utils/runtime/client/Cargo.toml
@@ -23,4 +23,4 @@ sp-api = { version = "4.0.0-dev", path = "../../../primitives/api" }
 sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain" }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 sc-client-api = { version = "4.0.0-dev", path = "../../../client/api" }
-futures = "0.3.19"
+futures = "0.3.21"
diff --git a/substrate/test-utils/runtime/transaction-pool/Cargo.toml b/substrate/test-utils/runtime/transaction-pool/Cargo.toml
index 8bc75c9d4c..59d576acdc 100644
--- a/substrate/test-utils/runtime/transaction-pool/Cargo.toml
+++ b/substrate/test-utils/runtime/transaction-pool/Cargo.toml
@@ -19,5 +19,5 @@ sp-blockchain = { version = "4.0.0-dev", path = "../../../primitives/blockchain"
 sp-runtime = { version = "6.0.0", path = "../../../primitives/runtime" }
 sc-transaction-pool = { version = "4.0.0-dev", path = "../../../client/transaction-pool" }
 sc-transaction-pool-api = { version = "4.0.0-dev", path = "../../../client/transaction-pool/api" }
-futures = "0.3.19"
+futures = "0.3.21"
 thiserror = "1.0"
diff --git a/substrate/utils/frame/rpc/support/Cargo.toml b/substrate/utils/frame/rpc/support/Cargo.toml
index 91ec47e34b..fe30437072 100644
--- a/substrate/utils/frame/rpc/support/Cargo.toml
+++ b/substrate/utils/frame/rpc/support/Cargo.toml
@@ -15,7 +15,7 @@ description = "Substrate RPC for FRAME's support"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-futures = "0.3.19"
+futures = "0.3.21"
 jsonrpc-client-transports = { version = "18.0.0", features = ["http"] }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 serde = "1"
diff --git a/substrate/utils/frame/rpc/system/Cargo.toml b/substrate/utils/frame/rpc/system/Cargo.toml
index 1015760efe..31a6f93e84 100644
--- a/substrate/utils/frame/rpc/system/Cargo.toml
+++ b/substrate/utils/frame/rpc/system/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 sc-client-api = { version = "4.0.0-dev", path = "../../../../client/api" }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-futures = "0.3.19"
+futures = "0.3.21"
 jsonrpc-core = "18.0.0"
 jsonrpc-core-client = "18.0.0"
 jsonrpc-derive = "18.0.0"