diff --git a/Cargo.lock b/Cargo.lock
index 44e700e552c..b75ddbec0f4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1750,9 +1750,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.3.19"
+version = "4.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fd304a20bff958a57f04c4e96a2e7594cc4490a0e809cbd48bb6437edaa452d"
+checksum = "c27cdf28c0f604ba3f512b0c9a409f8de8513e4816705deb0498b627e7c3a3fd"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -1761,9 +1761,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.3.19"
+version = "4.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01c6a3f08f1fe5662a35cfe393aec09c4df95f60ee93b7556505260f75eee9e1"
+checksum = "08a9f1ab5e9f01a9b81f202e8562eb9a10de70abf9eaeac1be465c28b75aa4aa"
 dependencies = [
  "anstream",
  "anstyle 1.0.0",
diff --git a/client/cli/Cargo.toml b/client/cli/Cargo.toml
index 05fbbb5c4cf..6261f9cf511 100644
--- a/client/cli/Cargo.toml
+++ b/client/cli/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 
 [dependencies]
-clap = { version = "4.3.19", features = ["derive"] }
+clap = { version = "4.3.21", features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 url = "2.4.0"
 
diff --git a/parachain-template/node/Cargo.toml b/parachain-template/node/Cargo.toml
index 3c90fc5101a..72936456ea0 100644
--- a/parachain-template/node/Cargo.toml
+++ b/parachain-template/node/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2021"
 build = "build.rs"
 
 [dependencies]
-clap = { version = "4.3.19", features = ["derive"] }
+clap = { version = "4.3.21", features = ["derive"] }
 log = "0.4.19"
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 serde = { version = "1.0.183", features = ["derive"] }
diff --git a/polkadot-parachain/Cargo.toml b/polkadot-parachain/Cargo.toml
index c2f1e1ee03e..7413b2a194e 100644
--- a/polkadot-parachain/Cargo.toml
+++ b/polkadot-parachain/Cargo.toml
@@ -12,7 +12,7 @@ path = "src/main.rs"
 
 [dependencies]
 async-trait = "0.1.72"
-clap = { version = "4.3.19", features = ["derive"] }
+clap = { version = "4.3.21", features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 futures = "0.3.28"
 hex-literal = "0.4.1"
diff --git a/test/service/Cargo.toml b/test/service/Cargo.toml
index 4fdb476bfce..88b559dde25 100644
--- a/test/service/Cargo.toml
+++ b/test/service/Cargo.toml
@@ -10,7 +10,7 @@ path = "src/main.rs"
 
 [dependencies]
 async-trait = "0.1.72"
-clap = { version = "4.3.19", features = ["derive"] }
+clap = { version = "4.3.21", features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "3.0.0" }
 criterion = { version = "0.5.1", features = [ "async_tokio" ] }
 jsonrpsee = { version = "0.16.2", features = ["server"] }