diff --git a/requirements.txt b/requirements.txt
index d4ab3c73..6b300f3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-cliff>=2.8.0 # Apache-2.0
+cliff!=2.9.0,>=2.8.0 # Apache-2.0
 osc-lib>=1.7.0 # Apache-2.0
 oslo.utils>=3.28.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0