diff --git a/pkgs/development/python-modules/zope_testing/default.nix b/pkgs/development/python-modules/zope_testing/default.nix
index 2f37f15453d..ea2d531f763 100644
--- a/pkgs/development/python-modules/zope_testing/default.nix
+++ b/pkgs/development/python-modules/zope_testing/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "zope.testing";
-  version = "4.7";
+  version = "4.9";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d66be8d1de37e8536ca58a1d9f4d89a68c9cc75cc0e788a175c8a20ae26003ea";
+    sha256 = "475cb847a7af9d547313ee93f5d0b8800bf627e6d0d9a51d11967984083cb54e";
   };
 
   doCheck = !isPyPy;