diff --git a/requirements.txt b/requirements.txt
index 42a8a55..44f5cf5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,7 @@ pbr>=0.5.21,<0.6
 gear>=0.5.4,<1.0.0
 python-swiftclient
 python-keystoneclient
+argparse
 
 lockfile
 python-daemon