diff --git a/pkgs/by-name/kc/kcl/package.nix b/pkgs/by-name/kc/kcl/package.nix
index ba108e38f3d9..fa457ed5113e 100644
--- a/pkgs/by-name/kc/kcl/package.nix
+++ b/pkgs/by-name/kc/kcl/package.nix
@@ -11,16 +11,16 @@
 
 buildGoModule rec {
   pname = "kcl";
-  version = "0.11.4";
+  version = "0.12.1";
 
   src = fetchFromGitHub {
     owner = "kcl-lang";
     repo = "cli";
     rev = "v${version}";
-    hash = "sha256-fFT8sUxx1E6WdyiJ8DyTagGkVEQ7YZ2CCGL5tVxkAEI=";
+    hash = "sha256-dwJkV5/MCUhjralKtnlmqSrb2C0kMZ1eO+6nTnenWZw=";
   };
 
-  vendorHash = "sha256-ohfNy3vOyJJuniQKEVFiDftffdHlEJejQ72TJEwNhIM=";
+  vendorHash = "sha256-1O1oTJCdGwA0TgI8dScZq7+yfumbzyi8rD4VJkFgn5E=";
 
   subPackages = [ "cmd/kcl" ];