diff --git a/dev-plone4.cfg b/dev-plone4.cfg
index bd2102c..87fe668 100644
--- a/dev-plone4.cfg
+++ b/dev-plone4.cfg
@@ -31,6 +31,7 @@ find-links =
 # Add additional eggs here
 eggs =
     Sphinx
+    repoze.sphinx.autointerface
     plone.app.discussion
     plone.formwidget.captcha
     plone.formwidget.recaptcha