diff --git a/cattus-engine/Cargo.lock b/cattus-engine/Cargo.lock
index 20d95e4..b62da7d 100644
--- a/cattus-engine/Cargo.lock
+++ b/cattus-engine/Cargo.lock
@@ -283,9 +283,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.16"
+version = "4.5.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed6719fffa43d0d87e5fd8caeab59be1554fb028cd30edc88fc4369b17971019"
+checksum = "fb3b4b9e5a7c7514dfa52869339ee98b3156b0bfb4e8a77c4ff4babb64b1604f"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -293,9 +293,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.5.15"
+version = "4.5.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "216aec2b177652e3846684cbfe25c9964d18ec45234f0f5da5157b207ed1aab6"
+checksum = "b17a95aa67cc7b5ebd32aa5370189aa0d79069ef1c64ce893bd30fb24bff20ec"
 dependencies = [
  "anstream",
  "anstyle",
@@ -305,9 +305,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.5.13"
+version = "4.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "501d359d5f3dcaf6ecdeee48833ae73ec6e42723a1e52419c79abf9507eec0a0"
+checksum = "4ac6a0c7b1a9e9a5186361f67dfa1b88213572f427fb9ab038efb2bd8c582dab"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/cattus-engine/Cargo.toml b/cattus-engine/Cargo.toml
index b1b2b7c..926b19c 100644
--- a/cattus-engine/Cargo.toml
+++ b/cattus-engine/Cargo.toml
@@ -14,7 +14,7 @@ rand_distr = "0.4.*"
 lazy_static = "1.5.*"
 petgraph = "0.6.*"
 cached = "0.53.*"
-clap = { version = "4.5.16", features = ["derive"] }
+clap = { version = "4.5.21", features = ["derive"] }
 json = "0.12.*"
 ndarray = "0.15.6"
 chess = "3.2.*"