diff --git a/pkgs/development/python-modules/pygame/default.nix b/pkgs/development/python-modules/pygame/default.nix
index 140b233e3428..f4ceeb9b978c 100644
--- a/pkgs/development/python-modules/pygame/default.nix
+++ b/pkgs/development/python-modules/pygame/default.nix
@@ -6,7 +6,7 @@
 
 buildPythonPackage rec {
   pname = "pygame";
-  version = "2.2.0";
+  version = "2.5.1";
 
   disabled = pythonOlder "3.6";
 
@@ -15,11 +15,11 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
-    rev = version;
+    rev = "refs/tags/${version}";
     # Unicode file names lead to different checksums on HFS+ vs. other
     # filesystems because of unicode normalisation. The documentation
     # has such files and will be removed.
-    hash = "sha256-SMkY3uN3kAlb/pbm047W0G8MJ7G8mCsfGVSPhzd5aEo=";
+    hash = "sha256-0mVbjfNYTfuo8uyd7NFKlneUZMt78mcitQ5nCgPxmFs=";
     postFetch = "rm -rf $out/docs/reST";
   };