diff --git a/test-plone-3.3.x.cfg b/test-plone-3.3.x.cfg
index 3658ef1..2442847 100644
--- a/test-plone-3.3.x.cfg
+++ b/test-plone-3.3.x.cfg
@@ -16,12 +16,13 @@ plone.registry = 1.0b1
 plone.supermodel = 1.0b4
 plone.z3cform = 0.5.10
 z3c.batching = 1.1.0
-z3c.form = 1.9.0
+z3c.form = 2.3.3
 z3c.formwidget.query = 0.3
 zope.app.broken = 3.4.0
 zope.component = 3.5.1
 zope.container = 3.7.0
 zope.location = 3.4.0
+zope.schema = 3.6.4
 zope.security = 3.4.3
 zope.site = 3.5.1
 zope.testing = 3.8.1