diff --git a/requirements.txt b/requirements.txt
index 484c4548a8..e0f4767769 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pbr>=0.6,!=0.7,<1.0
-cliff>=1.4.3
+cliff>=1.6.0
 keyring>=2.1
 pycrypto>=2.6
 python-glanceclient>=0.9.0