diff --git a/requirements.txt b/requirements.txt
index 807d7495..b0f8df3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
-cliff>=2.6.0 # Apache-2.0
+cliff>=2.8.0 # Apache-2.0
 PyYAML>=3.10.0 # MIT
 python-dateutil>=2.4.2 # BSD
 six>=1.9.0 # MIT