diff --git a/pkgs/development/python-modules/av/default.nix b/pkgs/development/python-modules/av/default.nix
index b930fd80b99d..e80f521efb2b 100644
--- a/pkgs/development/python-modules/av/default.nix
+++ b/pkgs/development/python-modules/av/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pythonOlder
+, stdenv
 
 # build
 , cython
@@ -101,6 +102,10 @@ buildPythonPackage rec {
     "--deselect=tests/test_subtitles.py::TestSubtitle::test_movtext"
     "--deselect=tests/test_subtitles.py::TestSubtitle::test_vobsub"
     "--deselect=tests/test_videoframe.py::TestVideoFrameImage::test_roundtrip"
+  ] ++ lib.optionals (stdenv.isDarwin) [
+    # Segmentation Faults
+    "--deselect=tests/test_encode.py::TestBasicVideoEncoding::test_encoding_with_pts"
+    "--deselect=tests/test_pyav.py::test_bayer_write"
   ];
 
   disabledTests = [
diff --git a/pkgs/development/python-modules/imageio/default.nix b/pkgs/development/python-modules/imageio/default.nix
index 7a5aaaf81e68..ec4e3a3b749a 100644
--- a/pkgs/development/python-modules/imageio/default.nix
+++ b/pkgs/development/python-modules/imageio/default.nix
@@ -2,8 +2,7 @@
 , stdenv
 , buildPythonPackage
 , pythonOlder
-, fetchPypi
-, fetchpatch
+, fetchFromGitHub
 , isPyPy
 , substituteAll
 
@@ -32,24 +31,19 @@
 
 buildPythonPackage rec {
   pname = "imageio";
-  version = "2.32.0";
+  version = "2.33.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.8";
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-5CWtNsYFMI2eptk+2nsJh5JgWbi4YiDhQqWZp5dRKN0=";
+  src = fetchFromGitHub {
+    owner = "imageio";
+    repo = "imageio";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-WoCycrJxo0vyV9LiWnEag1wbld3EJWu8mks8TnYt2+A=";
   };
 
-  patches = [
-    # pillow 10.1.0 compat
-    (fetchpatch {
-      name = "imageio-pillow-10.1.0-compat.patch";
-      url = "https://github.com/imageio/imageio/commit/f58379c1ae7fbd1da8689937b39e499e2d225740.patch";
-      hash = "sha256-jPSl/EUe69Dizkv8CqWpnm+TDPtF3VX2DkHOCEuYTLA=";
-    })
-  ] ++ lib.optionals (!stdenv.isDarwin) [
+  patches = lib.optionals (!stdenv.isDarwin) [
     (substituteAll {
       src = ./libgl-path.patch;
       libgl = "${libGL.out}/lib/libGL${stdenv.hostPlatform.extensions.sharedLibrary}";
@@ -119,6 +113,16 @@ buildPythonPackage rec {
     "tests/test_swf.py"
   ];
 
+  disabledTests = lib.optionals stdenv.isDarwin [
+    # Segmentation fault
+    "test_bayer_write"
+    # RuntimeError: No valid H.264 encoder was found with the ffmpeg installation
+    "test_writer_file_properly_closed"
+    "test_writer_pixelformat_size_verbose"
+    "test_writer_ffmpeg_params"
+    "test_reverse_read"
+  ];
+
   meta = with lib; {
     description = "Library for reading and writing a wide range of image, video, scientific, and volumetric data formats";
     homepage = "https://imageio.readthedocs.io";