diff --git a/upper-constraints.txt b/upper-constraints.txt
index 6f22b7ea88..3edcf4541b 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -353,7 +353,7 @@ testtools===2.5.0
 infi.dtypes.iqn===0.4.0
 XStatic-tv4===1.2.7.0
 XStatic-JSEncrypt===2.3.1.1
-python-cinderclient===9.0.0
+python-cinderclient===9.1.0
 keystonemiddleware===10.0.1
 django-formtools===2.3
 XStatic-Spin===1.2.5.3