diff --git a/pkgs/by-name/si/simple64/package.nix b/pkgs/by-name/si/simple64/package.nix
index c430277fbfb5..a844560167bb 100644
--- a/pkgs/by-name/si/simple64/package.nix
+++ b/pkgs/by-name/si/simple64/package.nix
@@ -27,13 +27,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "simple64";
-  version = "2024.11.1";
+  version = "2024.12.1";
 
   src = fetchFromGitHub {
     owner = "simple64";
     repo = "simple64";
     rev = "refs/tags/v${finalAttrs.version}";
-    hash = "sha256-wWBW+iYPY+5C3pvyyFYb4iIK8GlAyCbaAzr2Q5RL+n8=";
+    hash = "sha256-rvoUyvhpbibXbAreu6twTeeVRTCbhJiJuyKaJz0uT5k=";
   };
 
   patches = [