diff --git a/Cargo.lock b/Cargo.lock
index ac5c4b8876b088b269d1777589c2df8c2dcdfb0a..8f8db790edba833197b8b3d533152b9f8dbb1623 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -274,7 +274,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ce6977f57fa68da77ffe5542950d47e9c23d65f5bc7cb0a9f8700996913eec7"
 dependencies = [
- "futures 0.3.11",
+ "futures 0.3.12",
  "rustls",
  "webpki",
  "webpki-roots",
@@ -557,7 +557,7 @@ dependencies = [
  "colored",
  "contract-metadata",
  "env_logger",
- "futures 0.3.11",
+ "futures 0.3.12",
  "heck",
  "hex",
  "log",
@@ -980,7 +980,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8feb87a63249689640ac9c011742c33139204e3c134293d3054022276869133b"
 dependencies = [
  "either",
- "futures 0.3.11",
+ "futures 0.3.12",
  "futures-timer 2.0.2",
  "log",
  "num-traits",
@@ -1162,9 +1162,9 @@ checksum = "4c7e4c2612746b0df8fed4ce0c69156021b704c9aefa360311c04e6e9e002eed"
 
 [[package]]
 name = "futures"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90fa4cc29d25b0687b8570b0da86eac698dcb525110ad8b938fe6712baa711ec"
+checksum = "da9052a1a50244d8d5aa9bf55cbc2fb6f357c86cc52e46c62ed390a7180cf150"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1177,9 +1177,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31ebc390c6913de330e418add60e1a7e5af4cb5ec600d19111b339cafcdcc027"
+checksum = "f2d31b7ec7efab6eefc7c57233bb10b847986139d88cc2f5a02a1ae6871a1846"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -1187,15 +1187,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "089bd0baf024d3216916546338fffe4fc8dfffdd901e33c278abb091e0d52111"
+checksum = "79e5145dde8da7d1b3892dad07a9c98fc04bc39892b1ecc9692cf53e2b780a65"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0cb59f15119671c94cd9cc543dc9a50b8d5edc468b4ff5f0bb8567f66c6b48a"
+checksum = "e9e59fdc009a4b3096bf94f740a0f2424c082521f20a9b08c5c07c48d90fd9b9"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -1205,9 +1205,9 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3868967e4e5ab86614e2176c99949eeef6cbcacaee737765f6ae693988273997"
+checksum = "28be053525281ad8259d47e4de5de657b25e7bac113458555bb4b70bc6870500"
 
 [[package]]
 name = "futures-lite"
@@ -1226,9 +1226,9 @@ dependencies = [
 
 [[package]]
 name = "futures-macro"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95778720c3ee3c179cd0d8fd5a0f9b40aa7d745c080f86a8f8bed33c4fd89758"
+checksum = "c287d25add322d9f9abdcdc5927ca398917996600182178774032e9f8258fedd"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
@@ -1238,15 +1238,15 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4e0f6be0ec0357772fd58fb751958dd600bd0b3edfd429e77793e4282831360"
+checksum = "caf5c69029bda2e743fddd0582d1083951d65cc9539aebf8812f36c3491342d6"
 
 [[package]]
 name = "futures-task"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "868090f28a925db6cb7462938c51d807546e298fb314088239f0e52fb4338b96"
+checksum = "13de07eb8ea81ae445aca7b69f5f7bf15d7bf4912d8ca37d6645c77ae8a58d86"
 dependencies = [
  "once_cell",
 ]
@@ -1265,9 +1265,9 @@ checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
 
 [[package]]
 name = "futures-util"
-version = "0.3.11"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cad5e82786df758d407932aded1235e24d8e2eb438b6adafd37930c2462fb5d1"
+checksum = "632a8cd0f2a4b3fdea1657f08bde063848c3bd00f9bbf6e256b8be78802e624b"
 dependencies = [
  "futures 0.1.30",
  "futures-channel",
@@ -1741,7 +1741,7 @@ dependencies = [
  "bs58 0.3.1",
  "bytes",
  "fnv",
- "futures 0.3.11",
+ "futures 0.3.12",
  "futures-timer 3.0.2",
  "globset",
  "hashbrown 0.7.2",
@@ -1836,7 +1836,7 @@ checksum = "571f5a4604c1a40d75651da141dfde29ad15329f537a779528803297d2220274"
 dependencies = [
  "atomic",
  "bytes",
- "futures 0.3.11",
+ "futures 0.3.12",
  "lazy_static",
  "libp2p-core",
  "libp2p-core-derive",
@@ -1860,7 +1860,7 @@ dependencies = [
  "ed25519-dalek",
  "either",
  "fnv",
- "futures 0.3.11",
+ "futures 0.3.12",
  "futures-timer 3.0.2",
  "lazy_static",
  "libsecp256k1",
@@ -1900,7 +1900,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7193e444210132237b81b755ec7fe53f1c4bd2f53cf719729b94c0c72eb6eaa1"
 dependencies = [
  "either",
- "futures 0.3.11",
+ "futures 0.3.12",
  "libp2p-core",
  "log",
  "rand 0.7.3",
@@ -2119,7 +2119,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93faf2e41f9ee62fb01680ed48f3cc26652352327aa2e59869070358f6b7dd75"
 dependencies = [
  "bytes",
- "futures 0.3.11",
+ "futures 0.3.12",
  "log",
  "pin-project 1.0.2",
  "smallvec 1.5.1",
@@ -3217,7 +3217,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4da5fcb054c46f5a5dff833b129285a93d3f0179531735e6c866e8cc307d2020"
 dependencies = [
- "futures 0.3.11",
+ "futures 0.3.12",
  "pin-project 0.4.27",
  "static_assertions",
 ]
@@ -3244,7 +3244,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cfb4b79b9b6b410c745a00eb4ead11b2ef0819e6eac970a5ec6415abf82777be"
 dependencies = [
  "derive_more",
- "futures 0.3.11",
+ "futures 0.3.12",
  "jsonrpc-core",
  "jsonrpc-core-client",
  "jsonrpc-derive",
@@ -3508,7 +3508,7 @@ checksum = "1c9dab3f95c9ebdf3a88268c19af668f637a3c5039c2c56ff2d40b1b2d64a25b"
 dependencies = [
  "base64 0.11.0",
  "bytes",
- "futures 0.3.11",
+ "futures 0.3.12",
  "http",
  "httparse",
  "log",
@@ -3648,7 +3648,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b460103293bbf2f4193e43c4f031fdc099c5e27c782369bbb4dacc7765e84057"
 dependencies = [
  "derive_more",
- "futures 0.3.11",
+ "futures 0.3.12",
  "futures-timer 3.0.2",
  "libp2p",
  "log",
@@ -3723,7 +3723,7 @@ dependencies = [
  "derive_more",
  "dyn-clonable",
  "ed25519-dalek",
- "futures 0.3.11",
+ "futures 0.3.12",
  "hash-db",
  "hash256-std-hasher",
  "hex",
@@ -3825,7 +3825,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9e1dee9244eb6cba1bef9b3a4ec288185e1380e455f1fd348b60252592c1cf0"
 dependencies = [
- "futures 0.3.11",
+ "futures 0.3.12",
  "hash-db",
  "libsecp256k1",
  "log",
@@ -4056,7 +4056,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "83b34ee48341c17c6e2f1e55f6076918f46b0c4505a99ad69ab1edda8b45bbd8"
 dependencies = [
  "derive_more",
- "futures 0.3.11",
+ "futures 0.3.12",
  "log",
  "parity-scale-codec",
  "serde",
@@ -4086,7 +4086,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "84310a02e2ac89b5e288d7af980414fd88753e3caba92aab1983cd2819991150"
 dependencies = [
- "futures 0.3.11",
+ "futures 0.3.12",
  "futures-core",
  "futures-timer 3.0.2",
  "lazy_static",
@@ -4226,7 +4226,7 @@ checksum = "ed693047c3c907a660aa97a71a30af33cec878316d75df60967d73b673ff4fd3"
 dependencies = [
  "frame-metadata",
  "frame-support",
- "futures 0.3.11",
+ "futures 0.3.12",
  "hex",
  "jsonrpsee",
  "log",
@@ -4855,7 +4855,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be0ecb0db480561e9a7642b5d3e4187c128914e58aa84330b9493e3eb68c5e7f"
 dependencies = [
- "futures 0.3.11",
+ "futures 0.3.12",
  "js-sys",
  "parking_lot 0.11.1",
  "pin-utils",
diff --git a/Cargo.toml b/Cargo.toml
index 1ac3ee53b1c78792947e9fa41130d189d0906c53..11513b394ed4e83bed4421190757b0ac4e6c65f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ binaryen = "0.12.0"
 async-std = { version = "1.9.0", optional = true }
 sp-core = { version = "2.0.1", optional = true }
 subxt = { version = "0.13.0", package = "substrate-subxt", optional = true }
-futures = { version = "0.3.11", optional = true }
+futures = { version = "0.3.12", optional = true }
 hex = { version = "0.4.2", optional = true }
 
 [build-dependencies]