Updated from global requirements

Change-Id: I79e4ddb75c7cf7088d6f0abc79f9f07dcd165535

Author: OpenStack Proposal Bot

requirements.txt

@@ -5,7 +5,7 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 six>=1.9.0 # MIT
 
 Babel!=2.4.0,>=2.3.4 # BSD
-cliff>=2.8.0 # Apache-2.0
+cliff!=2.9.0,>=2.8.0 # Apache-2.0
 keystoneauth1>=3.2.0 # Apache-2.0
 openstacksdk>=0.9.18 # Apache-2.0
 osc-lib>=1.7.0 # Apache-2.0