diff --git a/requirements.txt b/requirements.txt
index 6c2823e4..f09db2b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ moksha.hub
 psutil
 funcsigs # Python2 only
 httplib2
-kobo
+kobo>=0.5.0
 m2crypto
 m2ext
 mock