diff --git a/pkgs/development/python-modules/zope_i18nmessageid/default.nix b/pkgs/development/python-modules/zope_i18nmessageid/default.nix
index 70e3f3fb018..cddcad00774 100644
--- a/pkgs/development/python-modules/zope_i18nmessageid/default.nix
+++ b/pkgs/development/python-modules/zope_i18nmessageid/default.nix
@@ -1,17 +1,20 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
+, six
 }:
 
 buildPythonPackage rec {
   pname = "zope.i18nmessageid";
-  version = "4.0.3";
+  version = "4.3.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1rslyph0klk58dmjjy4j0jxy21k03azksixc3x2xhqbkv97cmzml";
+    sha256 = "e511edff8e75d3a6f84d8256e1e468c85a4aa9d89c2ea264a919334fae7081e3";
   };
 
+  propagatedBuildInputs = [ six ];
+
   meta = with stdenv.lib; {
     homepage = https://github.com/zopefoundation/zope.i18nmessageid;
     description = "Message Identifiers for internationalization";