diff --git a/pkgs/by-name/ai/aiken/package.nix b/pkgs/by-name/ai/aiken/package.nix
index 858acaeb89e1..fe648d5bfc8c 100644
--- a/pkgs/by-name/ai/aiken/package.nix
+++ b/pkgs/by-name/ai/aiken/package.nix
@@ -8,16 +8,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "aiken";
-  version = "1.1.19";
+  version = "1.1.21";
 
   src = fetchFromGitHub {
     owner = "aiken-lang";
     repo = "aiken";
     tag = "v${version}";
-    hash = "sha256-S3KIOlOz21ItWI+RoeHPYROIlMbKAoNi7hXwHHjHaJs=";
+    hash = "sha256-8Oq6Bem4mREHXsBC0FwBnU2MVmTh8b7KtJ/KrPDMqLU=";
   };
 
-  cargoHash = "sha256-RrcP23p3KVIGKiW1crDDn5eoowjX3nTPUWBYtT9qdz0=";
+  cargoHash = "sha256-5TplKj7q8G1XX6o4d8Vlgf5eGXB8fpnvkl7TwVcuTw0=";
 
   buildInputs = [ openssl ];