diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index cf19706118..b33a9cf808 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -482,7 +482,7 @@ version = "0.1.0"
 source = "git+https://github.com/paritytech/grandpa-bridge-gadget#a58179d4f59f4c31c7a09d5b0ce14df8450743a3"
 dependencies = [
  "beefy-primitives",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hex",
  "log",
  "parity-scale-codec",
@@ -511,7 +511,7 @@ source = "git+https://github.com/paritytech/grandpa-bridge-gadget#a58179d4f59f4c
 dependencies = [
  "beefy-gadget",
  "beefy-primitives",
- "futures 0.3.14",
+ "futures 0.3.15",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -1757,7 +1757,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e43f2f1833d64e33f15592464d6fdd70f349dda7b1a53088eb83cd94014008c5"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
 ]
 
 [[package]]
@@ -1855,7 +1855,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6447e2f8178843749e8c8003206def83ec124a7859475395777a28b5338647c"
 dependencies = [
  "either",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "num-traits",
@@ -2202,9 +2202,9 @@ checksum = "1b980f2816d6ee8673b6517b52cb0e808a180efc92e5c19d02cdda79066703ef"
 
 [[package]]
 name = "futures"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9d5813545e459ad3ca1bff9915e9ad7f1a47dc6a91b627ce321d5863b7dd253"
+checksum = "0e7e43a803dae2fa37c1f6a8fe121e1f7bf9548b4dfc0522a42f34145dadfc27"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -2217,9 +2217,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce79c6a52a299137a6013061e0cf0e688fce5d7f1bc60125f520912fdb29ec25"
+checksum = "e682a68b29a882df0545c143dc3646daefe80ba479bcdede94d5a703de2871e2"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -2227,9 +2227,9 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "098cd1c6dda6ca01650f1a37a794245eb73181d0d4d4e955e2f3c37db7af1815"
+checksum = "0402f765d8a89a26043b889b26ce3c4679d268fa6bb22cd7c6aad98340e179d1"
 
 [[package]]
 name = "futures-cpupool"
@@ -2248,7 +2248,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fdcef58a173af8148b182684c9f2d5250875adbcaff7b5794073894f9d8634a9"
 dependencies = [
  "futures 0.1.29",
- "futures 0.3.14",
+ "futures 0.3.15",
  "lazy_static",
  "log",
  "parking_lot 0.9.0",
@@ -2259,9 +2259,9 @@ dependencies = [
 
 [[package]]
 name = "futures-executor"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10f6cb7042eda00f0049b1d2080aa4b93442997ee507eb3828e8bd7577f94c9d"
+checksum = "badaa6a909fac9e7236d0620a2f57f7664640c56575b71a7552fbd68deafab79"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -2271,9 +2271,9 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "365a1a1fb30ea1c03a830fdb2158f5236833ac81fa0ad12fe35b29cddc35cb04"
+checksum = "acc499defb3b348f8d8f3f66415835a9131856ff7714bf10dadfc4ec4bdb29a1"
 
 [[package]]
 name = "futures-lite"
@@ -2292,10 +2292,11 @@ dependencies = [
 
 [[package]]
 name = "futures-macro"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "668c6733a182cd7deb4f1de7ba3bf2120823835b3bcfbeacf7d2c4a773c1bb8b"
+checksum = "a4c40298486cdf52cc00cd6d6987892ba502c7656a16a4192a9992b1ccedd121"
 dependencies = [
+ "autocfg",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
@@ -2315,15 +2316,15 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c5629433c555de3d82861a7a4e3794a4c40040390907cfbfd7143a92a426c23"
+checksum = "a57bead0ceff0d6dde8f465ecd96c9338121bb7717d3e7b108059531870c4282"
 
 [[package]]
 name = "futures-task"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba7aa51095076f3ba6d9a1f702f74bd05ec65f555d70d2033d55ba8d69f581bc"
+checksum = "8a16bef9fc1a4dddb5bee51c989e3fbba26569cbb0e31f5b303c184e3dd33dae"
 
 [[package]]
 name = "futures-timer"
@@ -2343,10 +2344,11 @@ dependencies = [
 
 [[package]]
 name = "futures-util"
-version = "0.3.14"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c144ad54d60f23927f0a6b6d816e4271278b64f005ad65e4e35291d2de9c025"
+checksum = "feb5c238d27e2bf94ffdfd27b2c29e3df4a68c4193bb6427384259e2bf191967"
 dependencies = [
+ "autocfg",
  "futures 0.1.29",
  "futures-channel",
  "futures-core",
@@ -2871,7 +2873,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6d52908d4ea4ab2bc22474ba149bf1011c8e2c3ebc1ff593ae28ac44f494b6"
 dependencies = [
  "async-io",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-lite",
  "if-addrs",
  "ipnet",
@@ -2964,7 +2966,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "64fa110ec7b8f493f416eed552740d10e7030ad5f63b2308f82c9608ec2df275"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 2.0.2",
 ]
 
@@ -3225,7 +3227,7 @@ checksum = "6ec51150965544e1a4468f372bdab8545243a1b045d4ab272023aac74c60de32"
 dependencies = [
  "async-trait",
  "fnv",
- "futures 0.3.14",
+ "futures 0.3.15",
  "jsonrpsee-types",
  "log",
  "pin-project 1.0.4",
@@ -3401,7 +3403,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb1e98ba343d0b35f9009a8844cd2b87fa3192f7e79033ac05b00aeae0f3b0b5"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "js-sys",
  "kvdb",
  "kvdb-memorydb",
@@ -3471,7 +3473,7 @@ checksum = "08053fbef67cd777049ef7a95ebaca2ece370b4ed7712c3fa404d69a88cb741b"
 dependencies = [
  "atomic",
  "bytes 1.0.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "lazy_static",
  "libp2p-core",
  "libp2p-deflate",
@@ -3513,7 +3515,7 @@ dependencies = [
  "ed25519-dalek",
  "either",
  "fnv",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "lazy_static",
  "libsecp256k1",
@@ -3543,7 +3545,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2181a641cd15f9b6ba71b1335800f309012a0a97a29ffaabbbf40e9d3d58f08"
 dependencies = [
  "flate2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
 ]
 
@@ -3554,7 +3556,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "62e63dab8b5ff35e0c101a3e51e843ba782c07bbb1682f5fd827622e0d02b98b"
 dependencies = [
  "async-std-resolver",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "log",
  "smallvec 1.6.1",
@@ -3569,7 +3571,7 @@ checksum = "48a9b570f6766301d9c4aa00fce3554cad1598e2f466debbc4dde909028417cf"
 dependencies = [
  "cuckoofilter",
  "fnv",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -3590,7 +3592,7 @@ dependencies = [
  "byteorder",
  "bytes 1.0.1",
  "fnv",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hex_fmt",
  "libp2p-core",
  "libp2p-swarm",
@@ -3611,7 +3613,7 @@ version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f668f00efd9883e8b7bcc582eaf0164615792608f886f6577da18bcbeea0a46"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -3632,7 +3634,7 @@ dependencies = [
  "bytes 1.0.1",
  "either",
  "fnv",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -3656,7 +3658,7 @@ dependencies = [
  "async-io",
  "data-encoding",
  "dns-parser",
- "futures 0.3.14",
+ "futures 0.3.15",
  "if-watch",
  "lazy_static",
  "libp2p-core",
@@ -3676,7 +3678,7 @@ checksum = "85e9b544335d1ed30af71daa96edbefadef6f19c7a55f078b9fc92c87163105d"
 dependencies = [
  "asynchronous-codec 0.6.0",
  "bytes 1.0.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "log",
  "nohash-hasher",
@@ -3694,7 +3696,7 @@ checksum = "36db0f0db3b0433f5b9463f1c0cd9eadc0a3734a9170439ce501ff99733a88bd"
 dependencies = [
  "bytes 1.0.1",
  "curve25519-dalek 3.0.0",
- "futures 0.3.14",
+ "futures 0.3.15",
  "lazy_static",
  "libp2p-core",
  "log",
@@ -3714,7 +3716,7 @@ version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf4bfaffac63bf3c7ec11ed9d8879d455966ddea7e78ee14737f0b6dce0d1cd1"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -3731,7 +3733,7 @@ checksum = "0c8c37b4d2a075b4be8442760a5f8c037180f0c8dd5b5734b9978ab868b3aa11"
 dependencies = [
  "asynchronous-codec 0.6.0",
  "bytes 1.0.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "log",
  "prost",
@@ -3746,7 +3748,7 @@ version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ce3374f3b28162db9d3442c9347c4f14cb01e8290052615c7d341d40eae0599"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "pin-project 1.0.4",
  "rand 0.7.3",
@@ -3762,7 +3764,7 @@ checksum = "0b8786aca3f18671d8776289706a5521f6c9124a820f69e358de214b9939440d"
 dependencies = [
  "asynchronous-codec 0.6.0",
  "bytes 1.0.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "libp2p-core",
  "libp2p-swarm",
@@ -3785,7 +3787,7 @@ checksum = "1cdbe172f08e6d0f95fa8634e273d4c4268c4063de2e33e7435194b0130c62e3"
 dependencies = [
  "async-trait",
  "bytes 1.0.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "libp2p-swarm",
  "log",
@@ -3804,7 +3806,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e04d8e1eef675029ec728ba14e8d0da7975d84b6679b699b4ae91a1de9c3a92"
 dependencies = [
  "either",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "log",
  "rand 0.7.3",
@@ -3830,7 +3832,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b1a27d21c477951799e99d5c105d78868258502ce092988040a808d5a19bbd9"
 dependencies = [
  "async-io",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "if-watch",
  "ipnet",
@@ -3847,7 +3849,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffd6564bb3b7ff203661ccbb69003c2b551e34cef974f2d6c6a28306a12170b5"
 dependencies = [
  "async-std",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "log",
 ]
@@ -3858,7 +3860,7 @@ version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cef45d61e43c313531b5e903e4e8415212ff6338e0c54c47da5b9b412b5760de"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "js-sys",
  "libp2p-core",
  "parity-send-wrapper",
@@ -3873,7 +3875,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cace60995ef6f637e4752cccbb2590f6bc358e8741a0d066307636c69a4b3a74"
 dependencies = [
  "either",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-rustls",
  "libp2p-core",
  "log",
@@ -3890,7 +3892,7 @@ version = "0.32.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f35da42cfc6d5cb0dcf3ad6881bc68d146cdf38f98655e09e33fbba4d13eabc4"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p-core",
  "parking_lot 0.11.1",
  "thiserror",
@@ -4171,7 +4173,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
 ]
 
@@ -4181,7 +4183,7 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c023c3f16109e7f33aa451f773fd61070e265b4977d0b6e344a51049296dd7df"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "rand 0.7.3",
  "thrift",
 ]
@@ -4352,7 +4354,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "10ddc0eb0117736f19d556355464fc87efc8ad98b29e3fd84f02531eb6e90840"
 dependencies = [
  "bytes 1.0.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "pin-project 1.0.4",
  "smallvec 1.6.1",
@@ -5723,7 +5725,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "env_logger 0.8.2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "polkadot-node-network-protocol",
  "polkadot-node-primitives",
@@ -5744,7 +5746,7 @@ dependencies = [
  "assert_matches",
  "bitvec",
  "env_logger 0.8.2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "maplit",
  "polkadot-node-network-protocol",
@@ -5763,7 +5765,7 @@ name = "polkadot-availability-distribution"
 version = "0.1.0"
 dependencies = [
  "assert_matches",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "lru",
  "maplit",
@@ -5795,7 +5797,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "env_logger 0.8.2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "lru",
@@ -5822,7 +5824,7 @@ name = "polkadot-cli"
 version = "0.9.4"
 dependencies = [
  "frame-benchmarking-cli",
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "polkadot-node-core-pvf",
  "polkadot-service",
@@ -5877,7 +5879,7 @@ dependencies = [
  "always-assert",
  "assert_matches",
  "env_logger 0.8.2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "polkadot-node-network-protocol",
@@ -5923,7 +5925,7 @@ name = "polkadot-gossip-support"
 version = "0.1.0"
 dependencies = [
  "assert_matches",
- "futures 0.3.14",
+ "futures 0.3.15",
  "polkadot-node-network-protocol",
  "polkadot-node-subsystem",
  "polkadot-node-subsystem-test-helpers",
@@ -5943,7 +5945,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "async-trait",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "parity-scale-codec",
  "parking_lot 0.11.1",
@@ -5965,7 +5967,7 @@ dependencies = [
 name = "polkadot-node-collation-generation"
 version = "0.1.0"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "parity-scale-codec",
  "polkadot-erasure-coding",
  "polkadot-node-primitives",
@@ -5986,7 +5988,7 @@ dependencies = [
  "assert_matches",
  "bitvec",
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "kvdb",
  "kvdb-memorydb",
@@ -6024,7 +6026,7 @@ dependencies = [
  "assert_matches",
  "bitvec",
  "env_logger 0.8.2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "kvdb",
  "kvdb-memorydb",
@@ -6050,7 +6052,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "bitvec",
- "futures 0.3.14",
+ "futures 0.3.15",
  "polkadot-erasure-coding",
  "polkadot-node-primitives",
  "polkadot-node-subsystem",
@@ -6072,7 +6074,7 @@ dependencies = [
 name = "polkadot-node-core-bitfield-signing"
 version = "0.1.0"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "polkadot-node-subsystem",
  "polkadot-node-subsystem-test-helpers",
  "polkadot-node-subsystem-util",
@@ -6089,7 +6091,7 @@ version = "0.1.0"
 dependencies = [
  "assert_matches",
  "async-trait",
- "futures 0.3.14",
+ "futures 0.3.15",
  "parity-scale-codec",
  "polkadot-node-core-pvf",
  "polkadot-node-primitives",
@@ -6108,7 +6110,7 @@ dependencies = [
 name = "polkadot-node-core-chain-api"
 version = "0.1.0"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "maplit",
  "polkadot-node-subsystem",
  "polkadot-node-subsystem-test-helpers",
@@ -6124,7 +6126,7 @@ name = "polkadot-node-core-parachains-inherent"
 version = "0.1.0"
 dependencies = [
  "async-trait",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "polkadot-node-subsystem",
  "polkadot-overseer",
@@ -6141,7 +6143,7 @@ name = "polkadot-node-core-provisioner"
 version = "0.1.0"
 dependencies = [
  "bitvec",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "polkadot-node-subsystem",
  "polkadot-node-subsystem-test-helpers",
@@ -6161,7 +6163,7 @@ dependencies = [
  "assert_matches",
  "async-process",
  "async-std",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "hex-literal",
  "libc",
@@ -6188,7 +6190,7 @@ dependencies = [
 name = "polkadot-node-core-runtime-api"
 version = "0.1.0"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "memory-lru",
  "parity-util-mem",
  "polkadot-node-primitives",
@@ -6224,7 +6226,7 @@ dependencies = [
 name = "polkadot-node-network-protocol"
 version = "0.1.0"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "parity-scale-codec",
  "polkadot-node-jaeger",
  "polkadot-node-primitives",
@@ -6238,7 +6240,7 @@ dependencies = [
 name = "polkadot-node-primitives"
 version = "0.1.0"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "parity-scale-codec",
  "polkadot-parachain",
  "polkadot-primitives",
@@ -6263,7 +6265,7 @@ dependencies = [
  "async-std",
  "async-trait",
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "lazy_static",
  "log",
@@ -6291,7 +6293,7 @@ name = "polkadot-node-subsystem-test-helpers"
 version = "0.1.0"
 dependencies = [
  "async-trait",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "parity-scale-codec",
  "parking_lot 0.11.1",
@@ -6315,7 +6317,7 @@ dependencies = [
  "assert_matches",
  "async-trait",
  "env_logger 0.8.2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "lru",
@@ -6347,7 +6349,7 @@ dependencies = [
  "assert_matches",
  "async-trait",
  "femme",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "kv-log-macro",
  "lru",
@@ -6607,7 +6609,7 @@ dependencies = [
  "frame-support",
  "frame-support-test",
  "frame-system",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hex-literal",
  "libsecp256k1",
  "log",
@@ -6656,7 +6658,7 @@ dependencies = [
  "beefy-primitives",
  "env_logger 0.8.2",
  "frame-system-rpc-runtime-api",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hex-literal",
  "kusama-runtime",
  "kvdb",
@@ -6746,7 +6748,7 @@ version = "0.1.0"
 dependencies = [
  "arrayvec 0.5.2",
  "assert_matches",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "indexmap",
  "parity-scale-codec",
@@ -6781,7 +6783,7 @@ dependencies = [
 name = "polkadot-test-client"
 version = "0.9.4"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "parity-scale-codec",
  "polkadot-node-subsystem",
  "polkadot-primitives",
@@ -6872,7 +6874,7 @@ dependencies = [
  "frame-benchmarking",
  "frame-system",
  "futures 0.1.29",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hex",
  "pallet-balances",
  "pallet-staking",
@@ -7770,7 +7772,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4da5fcb054c46f5a5dff833b129285a93d3f0179531735e6c866e8cc307d2020"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "pin-project 0.4.23",
  "static_assertions",
 ]
@@ -7816,7 +7818,7 @@ dependencies = [
  "async-trait",
  "derive_more",
  "either",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "ip_network",
  "libp2p",
@@ -7842,7 +7844,7 @@ name = "sc-basic-authorship"
 version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
@@ -7915,7 +7917,7 @@ source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc
 dependencies = [
  "chrono",
  "fdlimit",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hex",
  "libp2p",
  "log",
@@ -7953,7 +7955,7 @@ source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc
 dependencies = [
  "derive_more",
  "fnv",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hash-db",
  "kvdb",
  "lazy_static",
@@ -8030,7 +8032,7 @@ dependencies = [
  "async-trait",
  "derive_more",
  "fork-tree",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "merlin",
@@ -8074,7 +8076,7 @@ version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -8111,7 +8113,7 @@ version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "async-trait",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "impl-trait-for-tuples",
  "log",
@@ -8232,7 +8234,7 @@ dependencies = [
  "dyn-clone",
  "finality-grandpa",
  "fork-tree",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "linked-hash-map",
  "log",
@@ -8270,7 +8272,7 @@ source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc
 dependencies = [
  "derive_more",
  "finality-grandpa",
- "futures 0.3.14",
+ "futures 0.3.15",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -8293,7 +8295,7 @@ version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "num-traits",
  "parity-scale-codec",
@@ -8314,7 +8316,7 @@ version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "ansi_term 0.12.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "parity-util-mem",
@@ -8333,7 +8335,7 @@ source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc
 dependencies = [
  "async-trait",
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-util",
  "hex",
  "merlin",
@@ -8382,7 +8384,7 @@ dependencies = [
  "erased-serde",
  "fnv",
  "fork-tree",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "hex",
  "ip_network",
@@ -8423,7 +8425,7 @@ name = "sc-network-gossip"
 version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "libp2p",
  "log",
@@ -8442,7 +8444,7 @@ source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc
 dependencies = [
  "bytes 0.5.6",
  "fnv",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "hex",
  "hyper 0.13.9",
@@ -8468,7 +8470,7 @@ name = "sc-peerset"
 version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p",
  "log",
  "serde_json",
@@ -8490,7 +8492,7 @@ name = "sc-rpc"
 version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "hash-db",
  "jsonrpc-core",
  "jsonrpc-pubsub",
@@ -8526,7 +8528,7 @@ version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -8572,7 +8574,7 @@ dependencies = [
  "directories",
  "exit-future",
  "futures 0.1.29",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "hash-db",
  "jsonrpc-core",
@@ -8669,7 +8671,7 @@ version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "chrono",
- "futures 0.3.14",
+ "futures 0.3.15",
  "libp2p",
  "log",
  "parking_lot 0.11.1",
@@ -8737,7 +8739,7 @@ version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "linked-hash-map",
  "log",
  "parity-util-mem",
@@ -8758,7 +8760,7 @@ name = "sc-transaction-pool"
 version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-diagnose",
  "intervalier",
  "log",
@@ -9212,7 +9214,7 @@ dependencies = [
  "base64 0.12.3",
  "bytes 0.5.6",
  "flate2",
- "futures 0.3.14",
+ "futures 0.3.15",
  "httparse",
  "log",
  "rand 0.7.3",
@@ -9227,7 +9229,7 @@ checksum = "4919971d141dbadaa0e82b5d369e2d7666c98e4625046140615ca363e50d4daa"
 dependencies = [
  "base64 0.13.0",
  "bytes 1.0.1",
- "futures 0.3.14",
+ "futures 0.3.15",
  "httparse",
  "log",
  "rand 0.8.3",
@@ -9343,7 +9345,7 @@ name = "sp-blockchain"
 version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "lru",
  "parity-scale-codec",
@@ -9371,7 +9373,7 @@ version = "0.9.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "async-trait",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "libp2p",
  "log",
@@ -9446,7 +9448,7 @@ dependencies = [
  "byteorder",
  "dyn-clonable",
  "ed25519-dalek",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hash-db",
  "hash256-std-hasher",
  "hex",
@@ -9547,7 +9549,7 @@ name = "sp-io"
 version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "hash-db",
  "libsecp256k1",
  "log",
@@ -9585,7 +9587,7 @@ source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc
 dependencies = [
  "async-trait",
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "merlin",
  "parity-scale-codec",
  "parking_lot 0.11.1",
@@ -9835,7 +9837,7 @@ version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "derive_more",
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "parity-scale-codec",
  "serde",
@@ -9879,7 +9881,7 @@ name = "sp-utils"
 version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-core",
  "futures-timer 3.0.2",
  "lazy_static",
@@ -10076,7 +10078,7 @@ dependencies = [
  "chrono",
  "console_error_panic_hook",
  "futures 0.1.29",
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "getrandom 0.2.1",
  "js-sys",
@@ -10108,7 +10110,7 @@ version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
  "frame-system-rpc-runtime-api",
- "futures 0.3.14",
+ "futures 0.3.15",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -10146,7 +10148,7 @@ source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc
 dependencies = [
  "async-trait",
  "futures 0.1.29",
- "futures 0.3.14",
+ "futures 0.3.15",
  "hash-db",
  "hex",
  "parity-scale-codec",
@@ -10173,7 +10175,7 @@ name = "substrate-test-utils"
 version = "3.0.0"
 source = "git+https://github.com/paritytech/substrate#d6ac9f551b71d9c7b69afcebfc68ace310ef74ee"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "substrate-test-utils-derive",
  "tokio 0.2.21",
 ]
@@ -10297,7 +10299,7 @@ dependencies = [
 name = "test-parachain-adder-collator"
 version = "0.9.4"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "futures-timer 3.0.2",
  "log",
  "parity-scale-codec",
@@ -11311,7 +11313,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be0ecb0db480561e9a7642b5d3e4187c128914e58aa84330b9493e3eb68c5e7f"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "js-sys",
  "parking_lot 0.11.1",
  "pin-utils",
@@ -11854,7 +11856,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7d9028f208dd5e63c614be69f115c1b53cacc1111437d4c765185856666c107"
 dependencies = [
- "futures 0.3.14",
+ "futures 0.3.15",
  "log",
  "nohash-hasher",
  "parking_lot 0.11.1",
diff --git a/polkadot/cli/Cargo.toml b/polkadot/cli/Cargo.toml
index 4882b6a884..243bf748e1 100644
--- a/polkadot/cli/Cargo.toml
+++ b/polkadot/cli/Cargo.toml
@@ -19,7 +19,7 @@ thiserror = "1.0.23"
 structopt = { version = "0.3.21", optional = true }
 wasm-bindgen = { version = "0.2.70", optional = true }
 wasm-bindgen-futures = { version = "0.4.23", optional = true }
-futures = "0.3.12"
+futures = "0.3.15"
 
 service = { package = "polkadot-service", path = "../node/service", default-features = false, optional = true }
 polkadot-node-core-pvf = { path = "../node/core/pvf", optional = true }
diff --git a/polkadot/node/collation-generation/Cargo.toml b/polkadot/node/collation-generation/Cargo.toml
index 155cc1cfe4..e669b9f32c 100644
--- a/polkadot/node/collation-generation/Cargo.toml
+++ b/polkadot/node/collation-generation/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 polkadot-erasure-coding = { path = "../../erasure-coding" }
 polkadot-node-primitives = { path = "../primitives" }
diff --git a/polkadot/node/core/approval-voting/Cargo.toml b/polkadot/node/core/approval-voting/Cargo.toml
index 53b6a354ac..6d238b0d3b 100644
--- a/polkadot/node/core/approval-voting/Cargo.toml
+++ b/polkadot/node/core/approval-voting/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.8"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["bit-vec", "derive"] }
 tracing = "0.1.26"
diff --git a/polkadot/node/core/av-store/Cargo.toml b/polkadot/node/core/av-store/Cargo.toml
index 7fb72cb98a..ad5abe5a09 100644
--- a/polkadot/node/core/av-store/Cargo.toml
+++ b/polkadot/node/core/av-store/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 kvdb = "0.9.0"
 thiserror = "1.0.23"
diff --git a/polkadot/node/core/backing/Cargo.toml b/polkadot/node/core/backing/Cargo.toml
index 7ea51e3050..aaac65f495 100644
--- a/polkadot/node/core/backing/Cargo.toml
+++ b/polkadot/node/core/backing/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
 polkadot-primitives = { path = "../../../primitives" }
 polkadot-node-primitives = { path = "../../primitives" }
@@ -23,6 +23,6 @@ sp-application-crypto = { git = "https://github.com/paritytech/substrate", branc
 sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master" }
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
 assert_matches = "1.4.0"
 polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
diff --git a/polkadot/node/core/bitfield-signing/Cargo.toml b/polkadot/node/core/bitfield-signing/Cargo.toml
index de68072221..bf67a0f378 100644
--- a/polkadot/node/core/bitfield-signing/Cargo.toml
+++ b/polkadot/node/core/bitfield-signing/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 polkadot-primitives = { path = "../../../primitives" }
 polkadot-node-subsystem = { path = "../../subsystem" }
diff --git a/polkadot/node/core/candidate-validation/Cargo.toml b/polkadot/node/core/candidate-validation/Cargo.toml
index 61960f95b0..a109cb5905 100644
--- a/polkadot/node/core/candidate-validation/Cargo.toml
+++ b/polkadot/node/core/candidate-validation/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 async-trait = "0.1.42"
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 
 sp-maybe-compressed-blob = { package = "sp-maybe-compressed-blob", git = "https://github.com/paritytech/substrate", branch = "master" }
@@ -23,7 +23,7 @@ polkadot-node-core-pvf = { path = "../pvf" }
 
 [dev-dependencies]
 sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
 assert_matches = "1.4.0"
 polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/node/core/chain-api/Cargo.toml b/polkadot/node/core/chain-api/Cargo.toml
index 0ea61dd591..32f9c056f6 100644
--- a/polkadot/node/core/chain-api/Cargo.toml
+++ b/polkadot/node/core/chain-api/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
 polkadot-primitives = { path = "../../../primitives" }
@@ -13,7 +13,7 @@ polkadot-subsystem = { package = "polkadot-node-subsystem", path = "../../subsys
 polkadot-node-subsystem-util = { path = "../../subsystem-util" }
 
 [dev-dependencies]
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
 maplit = "1.0.2"
 polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/node/core/parachains-inherent/Cargo.toml b/polkadot/node/core/parachains-inherent/Cargo.toml
index a4156008db..6dd3d3bbda 100644
--- a/polkadot/node/core/parachains-inherent/Cargo.toml
+++ b/polkadot/node/core/parachains-inherent/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 tracing = "0.1.26"
 thiserror = "1.0.23"
diff --git a/polkadot/node/core/provisioner/Cargo.toml b/polkadot/node/core/provisioner/Cargo.toml
index 492f37c51d..fb6259f687 100644
--- a/polkadot/node/core/provisioner/Cargo.toml
+++ b/polkadot/node/core/provisioner/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 bitvec = { version = "0.20.1", default-features = false, features = ["alloc"] }
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 thiserror = "1.0.23"
 polkadot-primitives = { path = "../../../primitives" }
diff --git a/polkadot/node/core/pvf/Cargo.toml b/polkadot/node/core/pvf/Cargo.toml
index e65aaca7cd..69c11165d4 100644
--- a/polkadot/node/core/pvf/Cargo.toml
+++ b/polkadot/node/core/pvf/Cargo.toml
@@ -13,7 +13,7 @@ always-assert = "0.1"
 async-std = { version = "1.8.0", features = ["attributes"] }
 async-process = "1.0.1"
 assert_matches = "1.4.0"
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 libc = "0.2.81"
 slotmap = "1.0"
diff --git a/polkadot/node/core/runtime-api/Cargo.toml b/polkadot/node/core/runtime-api/Cargo.toml
index 320c6240eb..27d2c5a20a 100644
--- a/polkadot/node/core/runtime-api/Cargo.toml
+++ b/polkadot/node/core/runtime-api/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 memory-lru = "0.1.0"
 parity-util-mem = { version = "0.9.0", default-features = false }
@@ -21,6 +21,6 @@ polkadot-node-subsystem-util = { path = "../../subsystem-util" }
 
 [dev-dependencies]
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
 polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
 polkadot-node-primitives = { path = "../../primitives" }
diff --git a/polkadot/node/metered-channel/Cargo.toml b/polkadot/node/metered-channel/Cargo.toml
index 9a174ae1f0..19145ae516 100644
--- a/polkadot/node/metered-channel/Cargo.toml
+++ b/polkadot/node/metered-channel/Cargo.toml
@@ -6,10 +6,10 @@ edition = "2018"
 description = "Channels with attached Meters"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 derive_more = "0.99"
 
 [dev-dependencies]
 assert_matches = "1.4.0"
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
diff --git a/polkadot/node/network/approval-distribution/Cargo.toml b/polkadot/node/network/approval-distribution/Cargo.toml
index 9b9f19a695..98ef61afc4 100644
--- a/polkadot/node/network/approval-distribution/Cargo.toml
+++ b/polkadot/node/network/approval-distribution/Cargo.toml
@@ -11,7 +11,7 @@ polkadot-node-subsystem = { path = "../../subsystem" }
 polkadot-node-subsystem-util = { path = "../../subsystem-util" }
 polkadot-primitives = { path = "../../../primitives" }
 
-futures = "0.3.8"
+futures = "0.3.15"
 tracing = "0.1.26"
 
 [dev-dependencies]
diff --git a/polkadot/node/network/availability-distribution/Cargo.toml b/polkadot/node/network/availability-distribution/Cargo.toml
index cc6e45100d..ea6accbeb8 100644
--- a/polkadot/node/network/availability-distribution/Cargo.toml
+++ b/polkadot/node/network/availability-distribution/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 parity-scale-codec = { version = "2.0.0", features = ["std"]  }
 polkadot-primitives = { path = "../../../primitives" }
diff --git a/polkadot/node/network/availability-recovery/Cargo.toml b/polkadot/node/network/availability-recovery/Cargo.toml
index 222a4579e9..58d5d02912 100644
--- a/polkadot/node/network/availability-recovery/Cargo.toml
+++ b/polkadot/node/network/availability-recovery/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 lru = "0.6.1"
 rand = "0.8.3"
 thiserror = "1.0.21"
diff --git a/polkadot/node/network/bitfield-distribution/Cargo.toml b/polkadot/node/network/bitfield-distribution/Cargo.toml
index 1f4c88bd2a..0ba20e47a7 100644
--- a/polkadot/node/network/bitfield-distribution/Cargo.toml
+++ b/polkadot/node/network/bitfield-distribution/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 polkadot-primitives = { path = "../../../primitives" }
 polkadot-subsystem = { package = "polkadot-node-subsystem", path = "../../subsystem" }
diff --git a/polkadot/node/network/bridge/Cargo.toml b/polkadot/node/network/bridge/Cargo.toml
index 7737a2c2f1..d9f8fedc19 100644
--- a/polkadot/node/network/bridge/Cargo.toml
+++ b/polkadot/node/network/bridge/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 async-trait = "0.1.42"
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 polkadot-primitives = { path = "../../../primitives" }
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
diff --git a/polkadot/node/network/collator-protocol/Cargo.toml b/polkadot/node/network/collator-protocol/Cargo.toml
index 6d21989ec5..df291bf192 100644
--- a/polkadot/node/network/collator-protocol/Cargo.toml
+++ b/polkadot/node/network/collator-protocol/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 always-assert = "0.1.2"
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3"
 thiserror = "1.0.23"
 tracing = "0.1.26"
diff --git a/polkadot/node/network/gossip-support/Cargo.toml b/polkadot/node/network/gossip-support/Cargo.toml
index b52e9464dc..f8f29bb63d 100644
--- a/polkadot/node/network/gossip-support/Cargo.toml
+++ b/polkadot/node/network/gossip-support/Cargo.toml
@@ -13,7 +13,7 @@ polkadot-node-subsystem = { path = "../../subsystem" }
 polkadot-node-subsystem-util = { path = "../../subsystem-util" }
 polkadot-primitives = { path = "../../../primitives" }
 
-futures = "0.3.8"
+futures = "0.3.15"
 tracing = "0.1.26"
 
 [dev-dependencies]
diff --git a/polkadot/node/network/protocol/Cargo.toml b/polkadot/node/network/protocol/Cargo.toml
index 6f32c346e5..2e83e01fa0 100644
--- a/polkadot/node/network/protocol/Cargo.toml
+++ b/polkadot/node/network/protocol/Cargo.toml
@@ -12,5 +12,5 @@ polkadot-node-jaeger = { path = "../../jaeger" }
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
 strum = { version = "0.20", features = ["derive"] }
-futures = "0.3.12"
+futures = "0.3.15"
 thiserror = "1.0.23"
diff --git a/polkadot/node/network/statement-distribution/Cargo.toml b/polkadot/node/network/statement-distribution/Cargo.toml
index 51b1877b81..c21b1fdf78 100644
--- a/polkadot/node/network/statement-distribution/Cargo.toml
+++ b/polkadot/node/network/statement-distribution/Cargo.toml
@@ -6,7 +6,7 @@ description = "Statement Distribution Subsystem"
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 tracing = "0.1.26"
 polkadot-primitives = { path = "../../../primitives" }
 sp-staking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
diff --git a/polkadot/node/overseer/Cargo.toml b/polkadot/node/overseer/Cargo.toml
index f62f67e64a..0d83f5da41 100644
--- a/polkadot/node/overseer/Cargo.toml
+++ b/polkadot/node/overseer/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 async-trait = "0.1.42"
 client = { package = "sc-client-api", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 polkadot-node-primitives = { package = "polkadot-node-primitives", path = "../primitives" }
 polkadot-node-subsystem-util = { path = "../subsystem-util" }
@@ -21,7 +21,7 @@ lru = "0.6"
 [dev-dependencies]
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 polkadot-node-network-protocol = { path = "../network/protocol" }
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
 femme = "2.1.1"
 kv-log-macro = "1.0.7"
 assert_matches = "1.4.0"
diff --git a/polkadot/node/primitives/Cargo.toml b/polkadot/node/primitives/Cargo.toml
index e8b01dea00..533fae147c 100644
--- a/polkadot/node/primitives/Cargo.toml
+++ b/polkadot/node/primitives/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 description = "Primitives types for the Node-side"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 polkadot-primitives = { path = "../../primitives" }
 polkadot-statement-table = { path = "../../statement-table" }
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
diff --git a/polkadot/node/service/Cargo.toml b/polkadot/node/service/Cargo.toml
index fcbc4aab4a..8385fc2360 100644
--- a/polkadot/node/service/Cargo.toml
+++ b/polkadot/node/service/Cargo.toml
@@ -60,7 +60,7 @@ frame-system-rpc-runtime-api = { git = "https://github.com/paritytech/substrate"
 prometheus-endpoint = { package = "substrate-prometheus-endpoint", git = "https://github.com/paritytech/substrate", branch = "master" }
 
 # External Crates
-futures = "0.3.12"
+futures = "0.3.15"
 hex-literal = "0.3.1"
 tracing = "0.1.26"
 serde = { version = "1.0.123", features = ["derive"] }
diff --git a/polkadot/node/subsystem-test-helpers/Cargo.toml b/polkadot/node/subsystem-test-helpers/Cargo.toml
index a6502d3e31..b548c442f5 100644
--- a/polkadot/node/subsystem-test-helpers/Cargo.toml
+++ b/polkadot/node/subsystem-test-helpers/Cargo.toml
@@ -7,7 +7,7 @@ description = "Subsystem traits and message definitions"
 
 [dependencies]
 async-trait = "0.1.42"
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 tracing = "0.1.26"
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
diff --git a/polkadot/node/subsystem-util/Cargo.toml b/polkadot/node/subsystem-util/Cargo.toml
index 4554b58b58..e92f176ae3 100644
--- a/polkadot/node/subsystem-util/Cargo.toml
+++ b/polkadot/node/subsystem-util/Cargo.toml
@@ -7,7 +7,7 @@ description = "Subsystem traits and message definitions"
 
 [dependencies]
 async-trait = "0.1.42"
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
 parking_lot = { version = "0.11.1", optional = true }
@@ -35,7 +35,7 @@ substrate-prometheus-endpoint = { git = "https://github.com/paritytech/substrate
 assert_matches = "1.4.0"
 async-trait = "0.1.42"
 env_logger = "0.8.2"
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
 log = "0.4.13"
 parking_lot = "0.11.1"
 polkadot-node-subsystem-test-helpers = { path = "../subsystem-test-helpers" }
diff --git a/polkadot/node/subsystem/Cargo.toml b/polkadot/node/subsystem/Cargo.toml
index 770cca5a05..057a605490 100644
--- a/polkadot/node/subsystem/Cargo.toml
+++ b/polkadot/node/subsystem/Cargo.toml
@@ -9,7 +9,7 @@ description = "Subsystem traits and message definitions"
 async-std = "1.8.0"
 async-trait = "0.1.42"
 derive_more = "0.99.11"
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 mick-jaeger = "0.1.2"
 lazy_static = "1.4"
@@ -33,5 +33,5 @@ log = "0.4.13"
 [dev-dependencies]
 assert_matches = "1.4.0"
 async-trait = "0.1.42"
-futures = { version = "0.3.12", features = ["thread-pool"] }
+futures = { version = "0.3.15", features = ["thread-pool"] }
 polkadot-node-subsystem-test-helpers = { path = "../subsystem-test-helpers" }
diff --git a/polkadot/node/test/client/Cargo.toml b/polkadot/node/test/client/Cargo.toml
index 0df35c0026..0517362eab 100644
--- a/polkadot/node/test/client/Cargo.toml
+++ b/polkadot/node/test/client/Cargo.toml
@@ -30,4 +30,4 @@ sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "
 
 [dev-dependencies]
 sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
-futures = "0.3.12"
+futures = "0.3.15"
diff --git a/polkadot/node/test/service/Cargo.toml b/polkadot/node/test/service/Cargo.toml
index 3a384a27d0..3cea15b462 100644
--- a/polkadot/node/test/service/Cargo.toml
+++ b/polkadot/node/test/service/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 futures01 = { package = "futures", version = "0.1.29" }
 hex = "0.4.2"
 tracing = "0.1.26"
diff --git a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
index a0899088f8..1781ebf99d 100644
--- a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
@@ -15,7 +15,7 @@ path = "bin/puppet_worker.rs"
 
 [dependencies]
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
-futures = "0.3.12"
+futures = "0.3.15"
 futures-timer = "3.0.2"
 log = "0.4.13"
 structopt = "0.3.21"
diff --git a/polkadot/runtime/parachains/Cargo.toml b/polkadot/runtime/parachains/Cargo.toml
index e5796f820c..6ea923e8a0 100644
--- a/polkadot/runtime/parachains/Cargo.toml
+++ b/polkadot/runtime/parachains/Cargo.toml
@@ -43,7 +43,7 @@ rand = { version = "0.8.3", default-features = false }
 rand_chacha = { version = "0.3.0", default-features = false }
 
 [dev-dependencies]
-futures = "0.3.12"
+futures = "0.3.15"
 hex-literal = "0.3.1"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }