diff --git a/pkgs/development/python-modules/watchdog/default.nix b/pkgs/development/python-modules/watchdog/default.nix
index e68d2acbf130..dd17bcefa39f 100644
--- a/pkgs/development/python-modules/watchdog/default.nix
+++ b/pkgs/development/python-modules/watchdog/default.nix
@@ -6,6 +6,7 @@
   eventlet,
   fetchPypi,
   flaky,
+  pytest-cov-stub,
   pytest-timeout,
   pytestCheckHook,
   pythonOlder,
@@ -14,14 +15,14 @@
 
 buildPythonPackage rec {
   pname = "watchdog";
-  version = "4.0.1";
+  version = "4.0.2";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-7rqs9nT6JVEeiGcCjSgeYC7mUABFtX9DsId4CC9/i0Q=";
+    hash = "sha256-tN+7bEkiG+RTViPqRHSk1u4KnO9KgLIMKNtNhYtk4nA=";
   };
 
   # force kqueue on x86_64-darwin, because our api version does
@@ -37,6 +38,7 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     eventlet
     flaky
+    pytest-cov-stub
     pytest-timeout
     pytestCheckHook
   ] ++ optional-dependencies.watchmedo;