--- a/buildout.cfg	Sat Oct 10 00:19:15 2009 +0200
+++ b/buildout.cfg	Sat Oct 10 00:19:49 2009 +0200
@@ -1,10 +1,17 @@
 [buildout]
 develop = .
 parts = package test
-find-links = http://download.zope.org/distribution/
 newest = false
 eggs-directory = /var/local/ztfy/eggs
 
+# These settings pin egg versions to the Zope 3.4.0 Known Good Set
+# if you want to upgrade the KGS version, you need to change the URL
+# below. If you will comment/remove these settings, you'll get the
+# latest versions of Zope eggs that are not guaranteed to work well
+# together.
+extends = http://download.zope.org/zope3.4/3.4.0/versions.cfg
+versions = versions
+
 [package]
 recipe = zc.recipe.egg
 eggs = ztfy.utils