diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f3efb979e01..f7d4099cf54 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9779,11 +9779,11 @@ rec {
 
 
   zope_schema = buildPythonPackage rec {
-    name = "zope.schema-4.4.1";
+    name = "zope.schema-4.4.2";
 
     src = fetchurl {
       url = "http://pypi.python.org/packages/source/z/zope.schema/${name}.tar.gz";
-      sha256 = "0wpwfggd736ai8bbrwbsnqf522sh5j57d1zxq8m8p6i5nwml0q02";
+      sha256 = "1p943jdxb587dh7php4vx04qvn7b2877hr4qs5zyckvp5afhhank";
     };
 
     propagatedBuildInputs = [ zope_location zope_event zope_interface zope_testing ] ++ optional isPy26 ordereddict;