diff -up Chameleon-1.2.12/setup.py.bak Chameleon-1.2.12/setup.py
--- Chameleon-1.2.12/setup.py.bak	2010-09-16 23:21:20.886604103 -0400
+++ Chameleon-1.2.12/setup.py	2010-09-16 23:21:36.414606323 -0400
@@ -45,9 +45,9 @@ setup(name="Chameleon",
           'i18nize' : [ "lxml", ],
           },
       tests_require=install_requires + [
-          'zope.interface==3.5.2',
-          'zope.component==3.7.1',
-          'zope.i18n==3.7.1',
+          'zope.interface>=3.5.2',
+          'zope.component>=3.7.1',
+          'zope.i18n>=3.7.1',
           'lxml',
           ],
       test_suite="chameleon.tests",