diff --git a/upper-constraints.txt b/upper-constraints.txt
index 1d8a2115c0..983a270ced 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -211,7 +211,7 @@ funcparserlib===0.3.6
 passlib===1.7.1
 dib-utils===0.0.11
 xlwt===1.3.0
-cliff===2.8.0
+cliff===2.9.1
 os-brick===1.15.3
 trollius===2.1
 scp===0.10.2