diff --git a/pkgs/development/python-modules/ffmpeg-progress-yield/default.nix b/pkgs/development/python-modules/ffmpeg-progress-yield/default.nix
index 8470813caa61..167398c0c2cf 100644
--- a/pkgs/development/python-modules/ffmpeg-progress-yield/default.nix
+++ b/pkgs/development/python-modules/ffmpeg-progress-yield/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
   setuptools,
@@ -40,6 +41,16 @@ buildPythonPackage rec {
 
   enabledTestPaths = [ "test/test.py" ];
 
+  disabledTests = lib.optional stdenv.hostPlatform.isDarwin [
+    # cannot access /usr/bin/pgrep from the sandbox
+    "test_context_manager"
+    "test_context_manager_with_exception"
+    "test_automatic_cleanup_on_exception"
+    "test_async_context_manager"
+    "test_async_context_manager_with_exception"
+    "test_async_automatic_cleanup_on_exception"
+  ];
+
   pythonImportsCheck = [ "ffmpeg_progress_yield" ];
 
   meta = with lib; {