diff --git a/pkgs/by-name/pr/primesieve/package.nix b/pkgs/by-name/pr/primesieve/package.nix
index 0aeee779743c..1df45b96c383 100644
--- a/pkgs/by-name/pr/primesieve/package.nix
+++ b/pkgs/by-name/pr/primesieve/package.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "primesieve";
-  version = "12.8";
+  version = "12.9";
 
   src = fetchFromGitHub {
     owner = "kimwalisch";
     repo = "primesieve";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-1jy4cfH/z4fwuuonoRHtrKUVNX9mD9A2sBaUTtAUA8M=";
+    hash = "sha256-xEGpMQ6kxby3nq3RBv6s6ZrTwC9KRKr3II1VQHGaAXk=";
   };
 
   outputs = [