diff --git a/buildout.cfg b/buildout.cfg
index 520d5907..a77bf93c 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -6,7 +6,9 @@ parts = mediagoblin make_user_dev_dirs
 recipe=zc.recipe.egg
 interpreter=python
 dependent-scripts = true
-eggs=mediagoblin
+eggs=
+    python-dateutil>=1.5.0,<2.0.0
+    mediagoblin
 entry-points = 
     nosetests=nose:run_exit
     paster=paste.script.command:run