diff --git a/Cargo.lock b/Cargo.lock
index 4ba3a604..e7323e42 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -232,9 +232,9 @@ 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",
@@ -242,9 +242,9 @@ 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/libraries/acars_config/Cargo.toml b/rust/libraries/acars_config/Cargo.toml
index 89bfc2b3..3c160a33 100644
--- a/rust/libraries/acars_config/Cargo.toml
+++ b/rust/libraries/acars_config/Cargo.toml
@@ -6,6 +6,6 @@ edition.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.5.20", features = ["derive", "env"] }
+clap = { version = "4.5.21", features = ["derive", "env"] }
 log = "0.4.22"
 sdre-rust-logging = "0.3.6"