diff --git a/pkgs/development/python-modules/pygame-ce/default.nix b/pkgs/development/python-modules/pygame-ce/default.nix
index 5c9e2432c822..80c0d153b72d 100644
--- a/pkgs/development/python-modules/pygame-ce/default.nix
+++ b/pkgs/development/python-modules/pygame-ce/default.nix
@@ -24,11 +24,13 @@
   SDL2_mixer,
   SDL2_ttf,
   numpy,
+
+  pygame-gui,
 }:
 
 buildPythonPackage rec {
   pname = "pygame-ce";
-  version = "2.5.1";
+  version = "2.5.2";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -37,7 +39,7 @@ buildPythonPackage rec {
     owner = "pygame-community";
     repo = "pygame-ce";
     rev = "refs/tags/${version}";
-    hash = "sha256-bt/6ukXZU79CWFqov9JON9ktQ/c4NKLxhX4Jif3Enxs=";
+    hash = "sha256-9e02ZfBfk18jsVDKKhMwEJiTGMG7VdBEgVh4unMJguY=";
     # Unicode file cause different checksums on HFS+ vs. other filesystems
     postFetch = "rm -rf $out/docs/reST";
   };
@@ -67,10 +69,10 @@ buildPythonPackage rec {
     ''
       # cython was pinned to fix windows build hangs (pygame-community/pygame-ce/pull/3015)
       substituteInPlace pyproject.toml \
-        --replace-fail '"cython<=3.0.10",' '"cython",' \
-        --replace-fail '"meson<=1.5.0",' '"meson",' \
-        --replace-fail '"sphinx<=7.2.6",' "" \
-        --replace-fail '"ninja<=1.11.1.1",' ""
+        --replace-fail '"meson<=1.5.1",' '"meson",' \
+        --replace-fail '"ninja<=1.11.1.1",' "" \
+        --replace-fail '"cython<=3.0.11",' '"cython",' \
+        --replace-fail '"sphinx<=7.2.6",' ""
       substituteInPlace buildconfig/config_{unix,darwin}.py \
         --replace-fail 'from distutils' 'from setuptools._distutils'
       substituteInPlace src_py/sysfont.py \
@@ -151,12 +153,16 @@ buildPythonPackage rec {
     "pygame.version"
   ];
 
-  meta = with lib; {
+  passthru.tests = {
+    inherit pygame-gui;
+  };
+
+  meta = {
     description = "Pygame Community Edition (CE) - library for multimedia application built on SDL";
     homepage = "https://pyga.me/";
     changelog = "https://github.com/pygame-community/pygame-ce/releases/tag/${version}";
-    license = licenses.lgpl21Plus;
-    maintainers = with maintainers; [ pbsds ];
-    platforms = platforms.unix;
+    license = lib.licenses.lgpl21Plus;
+    maintainers = [ lib.maintainers.pbsds ];
+    platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/python-modules/pygame-gui/default.nix b/pkgs/development/python-modules/pygame-gui/default.nix
index 5906a6f9a9cb..6c8261a06b3a 100644
--- a/pkgs/development/python-modules/pygame-gui/default.nix
+++ b/pkgs/development/python-modules/pygame-gui/default.nix
@@ -1,6 +1,7 @@
 {
   lib,
   pkgs,
+  stdenv,
   buildPythonPackage,
   nix-update-script,
   fetchFromGitHub,
@@ -53,6 +54,11 @@ buildPythonPackage rec {
     "test_process_event_text_ctrl_v_select_range"
     "test_process_event_text_ctrl_a"
     "test_process_event_text_ctrl_x"
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    # fails to determine "/" as an existing path
+    # https://github.com/MyreMylar/pygame_gui/issues/644
+    "test_process_event"
   ];
 
   disabledTestPaths = [ "tests/test_performance/test_text_performance.py" ];