diff --git a/upper-constraints.txt b/upper-constraints.txt
index 4e0e8d67c7..a84b99690a 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -322,7 +322,7 @@ Parsley===1.3
 XStatic-tv4===1.2.7.0
 XStatic-JSEncrypt===2.3.1.1
 python-cinderclient===3.3.0
-keystonemiddleware===4.18.0
+keystonemiddleware===4.20.0
 django-formtools===2.1
 python-ceilometerclient===2.9.0
 XStatic-Spin===1.2.5.2