diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 24ff518a6..379bae83d 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -899,9 +899,9 @@ 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",
@@ -909,9 +909,9 @@ 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/rust/bin-shared/Cargo.toml b/rust/bin-shared/Cargo.toml
index f733b3d0d..9898ec5f0 100644
--- a/rust/bin-shared/Cargo.toml
+++ b/rust/bin-shared/Cargo.toml
@@ -8,7 +8,7 @@ description = "Firezone-specific modules shared between binaries."
 [dependencies]
 anyhow = "1.0.82"
 axum = { version = "0.7.7", default-features = false, features = ["http1", "tokio"] }
-clap = { version = "4.5.19", features = ["derive", "env"] }
+clap = { version = "4.5.21", features = ["derive", "env"] }
 firezone-logging = { workspace = true }
 futures = "0.3"
 hex-literal = "0.4.1"
diff --git a/rust/gateway/Cargo.toml b/rust/gateway/Cargo.toml
index cf5c4d190..4048c28d5 100644
--- a/rust/gateway/Cargo.toml
+++ b/rust/gateway/Cargo.toml
@@ -11,7 +11,7 @@ async-trait = { version = "0.1", default-features = false }
 backoff = { workspace = true }
 boringtun = { workspace = true }
 chrono = { workspace = true }
-clap = "4.5.19"
+clap = "4.5.21"
 connlib-model = { workspace = true }
 dns-lookup = { workspace = true }
 domain = { workspace = true }
diff --git a/rust/gui-client/src-tauri/Cargo.toml b/rust/gui-client/src-tauri/Cargo.toml
index 40f52b3d7..b314f9784 100644
--- a/rust/gui-client/src-tauri/Cargo.toml
+++ b/rust/gui-client/src-tauri/Cargo.toml
@@ -15,7 +15,7 @@ tauri-build = { version = "2.0.1", features = [] }
 anyhow = { version = "1.0.89" }
 atomicwrites = { workspace = true }
 chrono = { workspace = true }
-clap = { version = "4.5.20", features = ["derive", "env"] }
+clap = { version = "4.5.21", features = ["derive", "env"] }
 connlib-client-shared = { workspace = true }
 connlib-model = { workspace = true }
 firezone-bin-shared = { workspace = true }
diff --git a/rust/relay/Cargo.toml b/rust/relay/Cargo.toml
index c6bb5c820..1b577e417 100644
--- a/rust/relay/Cargo.toml
+++ b/rust/relay/Cargo.toml
@@ -9,7 +9,7 @@ backoff = "0.4"
 base64 = "0.22.1"
 bytecodec = "0.4.15"
 bytes = "1.7.1"
-clap = { version = "4.5.19", features = ["derive", "env"] }
+clap = { version = "4.5.21", features = ["derive", "env"] }
 derive_more = { version = "1.0.0", features = ["from"] }
 firezone-bin-shared = { workspace = true }
 firezone-logging = { workspace = true }