diff --git a/Cargo.lock b/Cargo.lock
index bdfd5da..95e1239 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -285,9 +285,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[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",
@@ -295,9 +295,9 @@ 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 028978c..de26ebf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ argmin-math = "0.4.0"
 argmin-observer-paramwriter = "0.1.0"
 argmin-observer-slog = "0.1.0"
 bio = "1.5.0"
-clap = { version = "4.5.1", features = ["derive"] }
+clap = { version = "4.5.21", features = ["derive"] }
 csv = "1.3.0"
 exitcode = "1.1.2"
 indexmap = "2.2.3"