diff --git a/requirements.txt b/requirements.txt
index d1ceea44..8965741b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ fedmsg
 funcsigs # Python2 only
 futures # Python 2 only
 httplib2
-kobo
+kobo>=0.5.0
 m2crypto
 m2ext
 mock