diff --git a/requirements.txt b/requirements.txt
index bc7131e..87c52d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,9 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=0.6,!=0.7,<1.0
-Babel>=1.3
\ No newline at end of file
+Babel>=1.3
+argparse
+SQLAlchemy>=0.8.4,<=0.8.99,>=0.9.7,<=0.9.99
+alembic>=0.6.4
+stevedore>=1.0.0  # Apache-2.0
+cliff>=1.7.0  # Apache-2.0