diff --git a/dev-plone3.cfg b/dev-plone3.cfg
index a9b82c2..0c29164 100644
--- a/dev-plone3.cfg
+++ b/dev-plone3.cfg
@@ -12,7 +12,7 @@ dump-picked-versions-file = versions.plone3.cfg
 overwrite-picked-versions-file = True
 
 extends =
-    http://dist.plone.org/release/3.3.4/versions.cfg
+    http://dist.plone.org/release/3.3.5/versions.cfg
     http://good-py.appspot.com/release/plone.app.discussion/1.0b4
 versions = versions
 sources = sources