Updated from global requirements

OpenStack Proposal Bot · OpenStack Proposal Bot · commit bfeecd50fdb8 · 2016-10-05T01:36:09.000Z
Change-Id: Ib5e40955446ef8edfb2e461b6284a7fdf655ea76
diff --git a/requirements.txt b/requirements.txt
@@ -5,7 +5,7 @@ pbr>=1.6 # Apache-2.0
 six>=1.9.0 # MIT
 
 Babel>=2.3.4 # BSD
-cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
+cliff>=2.2.0 # Apache-2.0
 keystoneauth1>=2.10.0 # Apache-2.0
 openstacksdk>=0.9.7 # Apache-2.0
 osc-lib>=1.0.2 # Apache-2.0
