diff --git a/setup.py b/setup.py
index 6b6eed3..0b18a43 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ setup(name='plone.app.discussion',
           'plone.app.z3cform',
           'plone.indexer',
           'plone.registry',
-          'plone.z3cform<=0.5.7',
+          'plone.z3cform',
           'ZODB3',
           'zope.interface',
           'zope.component',