diff --git a/buildout.cfg b/buildout.cfg
index 890ac64..a143350 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -1,6 +1,7 @@
 [buildout]
 extends =
     http://svn.plone.org/svn/collective/buildout/plonetest/plone-4.1.x.cfg
+index = http://d.pypi.python.org/simple
 package-name = plone.app.discussion
 package-directory = plone/app/discussion
 parts += instance