diff --git a/Cargo.lock b/Cargo.lock
index f2068de..b34a6aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -316,9 +316,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.20"
+version = "4.5.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b97f376d85a664d5837dbae44bf546e6477a679ff6610010f17276f686d867e8"
+checksum = "fb3b4b9e5a7c7514dfa52869339ee98b3156b0bfb4e8a77c4ff4babb64b1604f"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -326,9 +326,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.20"
+version = "4.5.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19bc80abd44e4bed93ca373a0704ccbd1b710dc5749406201bb018272808dc54"
+checksum = "b17a95aa67cc7b5ebd32aa5370189aa0d79069ef1c64ce893bd30fb24bff20ec"
 dependencies = [
  "anstream",
  "anstyle",
diff --git a/Cargo.toml b/Cargo.toml
index 2d8f44f..7ca8b25 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -160,7 +160,7 @@ rsjudge-grpc = { version = "0.1.0", path = "crates/rsjudge-grpc", optional = tru
 rsjudge-rest = { version = "0.1.0", path = "crates/rsjudge-rest", optional = true }
 
 anyhow = "1.0.92"
-clap = { version = "4.5.20", features = ["derive"] }
+clap = { version = "4.5.21", features = ["derive"] }
 env_logger = "0.11.5"
 log.workspace = true
 mimalloc = { version = "0.1.43", optional = true }
@@ -181,7 +181,7 @@ mimalloc = ["dep:mimalloc"]
 default = ["grpc", "rest", "mimalloc"]
 
 [build-dependencies]
-clap = { version = "4.5.20", features = ["derive"] }
+clap = { version = "4.5.21", features = ["derive"] }
 clap_complete = "4.5.37"
 clap_mangen = "0.2.24"
 
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index d7b9f17..f9528c6 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -12,7 +12,7 @@ description = "A task runner for cargo workspaces"
 
 [dependencies]
 anyhow = "1.0.92"
-clap = { version = "4.5.20", features = ["derive"] }
+clap = { version = "4.5.21", features = ["derive"] }
 sh = "0.2.1"
 
 [features]