diff --git a/pkgs/applications/science/math/primesieve/default.nix b/pkgs/applications/science/math/primesieve/default.nix
index 8ca3f1393a76..4d3c06bd9287 100644
--- a/pkgs/applications/science/math/primesieve/default.nix
+++ b/pkgs/applications/science/math/primesieve/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "primesieve";
-  version = "12.0";
+  version = "12.1";
 
   src = fetchFromGitHub {
     owner = "kimwalisch";
     repo = "primesieve";
     rev = "v${version}";
-    hash = "sha256-xmOq18falvT8PKhJPwWm/aeOMf7I3ywR+h5OkTM3G6s=";
+    hash = "sha256-AHl2GfZ1oJ8ZyjJzvg10AqN7TA7HFZ+qa6N2v51Qa78=";
   };
 
   nativeBuildInputs = [ cmake ];