diff --git a/requirements.txt b/requirements.txt
index 7f0ed71b..5712415d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 pbr>=1.8 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT
-cliff>=2.2.0 # Apache-2.0
+cliff>=2.3.0 # Apache-2.0
 oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 keystoneauth1>=2.14.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0