diff --git a/buildout.cfg b/buildout.cfg
index 11f3f1f..544b41f 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -4,7 +4,7 @@ parts = test
 allow-picked-versions = false
 use-dependency-links = false
 versions = versions
-extends = http://download.zope.org/zope3.4/versions-3.4.0b2.cfg
+extends = http://download.zope.org/zope3.4/versions-3.4.0c7.cfg
 find-links = http://download.zope.org/simple
 
 [test]