diff --git a/setup.py b/setup.py
index 3ff7d05a..3c5cd2df 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@
         'Products.CMFCore',
         'Products.GenericSetup',
         'Products.PluggableAuthService',
-        'Zope2 > 2.13.22',
+        'Zope2 >=2.13.22',
         'plone.i18n',
         'plone.memoize',
         'plone.session',