diff --git a/pkgs/development/python-modules/zope_proxy/default.nix b/pkgs/development/python-modules/zope_proxy/default.nix
index 2d1a5880d0de..70e329cce9e9 100644
--- a/pkgs/development/python-modules/zope_proxy/default.nix
+++ b/pkgs/development/python-modules/zope_proxy/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "zope.proxy";
-  version = "4.4.0";
+  version = "4.5.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b244904c5148067c3f1899d29a2c1a28faca747b143192c0f825e6bf3170a347";
+    sha256 = "1329846261cf6c552b05579f3cfad199b2d178510d0b4703eb5f7cdd6ebad01a";
   };
 
   propagatedBuildInputs = [ zope_interface ];