diff --git a/pkgs/by-name/ar/argc/package.nix b/pkgs/by-name/ar/argc/package.nix
index 3fceb4af1e46..df9b4f6780e1 100644
--- a/pkgs/by-name/ar/argc/package.nix
+++ b/pkgs/by-name/ar/argc/package.nix
@@ -14,16 +14,16 @@ let
 in
 rustPlatform.buildRustPackage rec {
   pname = "argc";
-  version = "1.20.0";
+  version = "1.20.1";
 
   src = fetchFromGitHub {
     owner = "sigoden";
     repo = "argc";
     rev = "v${version}";
-    hash = "sha256-Oh2vV4Dr4suVEGrwGNyzVlKrOh+lXwdEwDPNzFzqmOo=";
+    hash = "sha256-pOkZmk7boFPqHHBDet/on6Y8V2Ik+hpqN0cUtY0BiR0=";
   };
 
-  cargoHash = "sha256-3zVO0ZAL+npijGg6/Idb7MD80WW5vi1qxbZqCwwhmIU=";
+  cargoHash = "sha256-FxhDnTy/KAeN0Zd5I12EUgXRc0VhHN0lRm5DQyCinyw=";
 
   nativeBuildInputs = [ installShellFiles ] ++ lib.optional (!canExecuteHost) buildPackages.argc;