diff --git a/dev-plone3.cfg b/dev-plone3.cfg
index 258f743..a9b82c2 100644
--- a/dev-plone3.cfg
+++ b/dev-plone3.cfg
@@ -1,7 +1,16 @@
 [buildout]
 extensions = mr.developer buildout.dumppickedversions
 unzip = true
-parts = instance omelette zopepy test roadrunner
+parts = 
+    instance
+    omelette
+    zopepy
+    test
+    roadrunner
+
+dump-picked-versions-file = versions.plone3.cfg
+overwrite-picked-versions-file = True
+
 extends =
     http://dist.plone.org/release/3.3.4/versions.cfg
     http://good-py.appspot.com/release/plone.app.discussion/1.0b4