diff --git a/Cargo.lock b/Cargo.lock
index 49c0c8f5b38f90a8d638c0ef074d18f68c91e148..6f92bb16f7599a2afa16b53df9892eef2a6319ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -206,15 +206,33 @@ dependencies = [
  "event-listener",
 ]
 
+[[package]]
+name = "async-process"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c8cea09c1fb10a317d1b5af8024eeba256d6554763e85ecd90ff8df31c7bbda"
+dependencies = [
+ "async-io",
+ "blocking",
+ "cfg-if 0.1.10",
+ "event-listener",
+ "futures-lite",
+ "once_cell",
+ "signal-hook",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "async-std"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7e82538bc65a25dbdff70e4c5439d52f068048ab97cdea0acd73f131594caa1"
+checksum = "8f9f84f1280a2b436a2c77c2582602732b6c2f4321d5494d6e799e6c367859a8"
 dependencies = [
+ "async-channel",
  "async-global-executor",
  "async-io",
  "async-mutex",
+ "async-process",
  "blocking",
  "crossbeam-utils",
  "futures-channel",
@@ -227,7 +245,7 @@ dependencies = [
  "memchr",
  "num_cpus",
  "once_cell",
- "pin-project-lite 0.1.11",
+ "pin-project-lite 0.2.0",
  "pin-utils",
  "slab",
  "wasm-bindgen-futures",
@@ -3401,6 +3419,25 @@ dependencies = [
  "loom",
 ]
 
+[[package]]
+name = "signal-hook"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "604508c1418b99dfe1925ca9224829bb2a8a9a04dda655cc01fcad46f4ab05ed"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
+[[package]]
+name = "signal-hook-registry"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce32ea0c6c56d5eacaeb814fbed9960547021d3edd010ded1425f180536b20ab"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "signature"
 version = "1.2.2"
diff --git a/Cargo.toml b/Cargo.toml
index a5acbf91f6978e913e7f7edca6cdc4a47c514238..2fd8e00aacd9245afe0087925a34e1e5ebb9432d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ url = { version = "2.2.0", features = ["serde"] }
 binaryen = "0.12.0"
 
 # dependencies for optional extrinsics feature
-async-std = { version = "1.7.0", optional = true }
+async-std = { version = "1.8.0", optional = true }
 sp-core = { version = "2.0.0", optional = true }
 subxt = { version = "0.13.0", package = "substrate-subxt", optional = true }
 futures = { version = "0.3.8", optional = true }