diff --git a/Cargo.lock b/Cargo.lock
index 5d6d695..441fbf5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -129,7 +129,7 @@ version = "0.1.0"
 dependencies = [
  "aoclp",
  "bit-vec",
- "clap 4.6.1",
+ "clap 4.6.6",
  "derive-where",
  "gratte",
  "itertools",
@@ -296,19 +296,19 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.6.1"
+version = "4.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ddb117e43bbf7dacf0a4190fef4d345b9bad68dfc649cb349e7d17d28428e51"
+checksum = "473c7e07f409a8d772161724aa8db6a765a2532a70f9667eeb7b49d3d02fbdca"
 dependencies = [
  "clap_builder",
- "clap_derive 4.6.1",
+ "clap_derive 4.6.4",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.6.0"
+version = "4.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "714a53001bf66416adb0e2ef5ac857140e7dc3a0c48fb28b2f10762fc4b5069f"
+checksum = "7b48fea5a88e9ae728a2dcbedbfc0e730f7d60da42e1cb049a83c9fb8b789889"
 dependencies = [
  "anstream",
  "anstyle",
@@ -331,14 +331,14 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.6.1"
+version = "4.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2ce8604710f6733aa641a2b3731eaa1e8b3d9973d5e3565da11800813f997a9"
+checksum = "d012d2b9d65aca7f18f4d9878a045bc17899bba951561ba5ec3c2ba1eed9a061"
 dependencies = [
  "heck 0.5.0",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 3.0.3",
 ]
 
 [[package]]
@@ -374,7 +374,7 @@ dependencies = [
 name = "codingquest_clp_solutions"
 version = "0.1.0"
 dependencies = [
- "clap 4.6.1",
+ "clap 4.6.6",
  "codingquest_clp",
  "itertools",
 ]
@@ -1841,6 +1841,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "3.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "sync_wrapper"
 version = "1.0.2"
diff --git a/Cargo.toml b/Cargo.toml
index 183edf6..974d131 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ default-members = ["aoclp_solutions"]
 anyhow = "1.0.102"
 aocf = "0.1.21"
 bit-vec = "0.9.1"
-clap = { version = "4.6.1", features = ["derive"] }
+clap = { version = "4.6.6", features = ["derive"] }
 derive-where = "1.6.1"
 fancy-regex = "0.18.0"
 gratte = "2.0.0"