diff --git a/CHANGES.txt b/CHANGES.txt
index c3c9969..05d6de4 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -6,6 +6,8 @@ Changelog
 
 - Prune duplicated test code.
   [pjstevns]
+- Update version in buildout.cfg to allow development.
+  [pjstevns]
 
 
 2.1.6 (2012-05-30)
diff --git a/buildout.cfg b/buildout.cfg
index eaff488..d1941fc 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -12,4 +12,4 @@ versions = versions
 eggs += plone.app.discussion [test]
 
 [versions]
-plone.app.discussion = 2.1.5
+plone.app.discussion = 2.1.7.dev0