diff --git a/packages b/packages
index d5de4f0..d36a5ec 100644
--- a/packages
+++ b/packages
@@ -4762,6 +4762,7 @@ python-augeas
 python-barbicanclient
 python-ceilometerclient
 python-cinderclient
+python-constraint
 python-coveralls
 python-crfsuite
 python-dateutil