diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 2b4a5e492c0dca2f0ed0d97ea7fd9333d92815d1..7851c206e486a23c8f4a9507438d33316008c17d 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -153,9 +153,9 @@ checksum = "e22d1f4b888c298a027c99dc9048015fac177587de20fc30232a057dfbe24a21"
 
 [[package]]
 name = "assert_cmd"
-version = "2.0.2"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e996dc7940838b7ef1096b882e29ec30a3149a3a443cdc8dba19ed382eca1fe2"
+checksum = "93ae1ddd39efd67689deb1979d80bad3bf7f2b09c6e6117c8d1f2443b5e2f83e"
 dependencies = [
  "bstr",
  "doc-comment",
diff --git a/polkadot/Cargo.toml b/polkadot/Cargo.toml
index da63014e59fa3cfc2a5664448df2089bad7ea02e..5e273ac3aeedbbbf3bd3e2787be46dc3f2837199 100644
--- a/polkadot/Cargo.toml
+++ b/polkadot/Cargo.toml
@@ -18,7 +18,7 @@ color-eyre = { version = "0.5.11", default-features = false }
 parity-util-mem = { version = "*", default-features = false, features = ["jemalloc-global"] }
 
 [dev-dependencies]
-assert_cmd = "2.0.2"
+assert_cmd = "2.0.4"
 nix = "0.23.1"
 tempfile = "3.2.0"
 tokio = "1.15.0"
diff --git a/polkadot/node/metrics/Cargo.toml b/polkadot/node/metrics/Cargo.toml
index 0c6ebbb65a42750e86ae11b1e7e6b18d2c669b9f..aaf85ea3e340ca9e5bb98da42b21ca33f37ee6b7 100644
--- a/polkadot/node/metrics/Cargo.toml
+++ b/polkadot/node/metrics/Cargo.toml
@@ -24,7 +24,7 @@ bs58 = { version = "0.4.0", features = ["alloc"] }
 log = "0.4.13"
 
 [dev-dependencies]
-assert_cmd = "2.0.2"
+assert_cmd = "2.0.4"
 nix = "0.23.1"
 tempfile = "3.2.0"
 hyper = { version = "0.14.16", default-features = false, features = ["http1", "tcp"] }