diff --git a/requirements.txt b/requirements.txt
index f29e2ae..70549be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Django>=1.11,<1.12
 decorator>=4.0.11
 djangorestframework>=3.6.2
 keystoneauth1>=2.19.0
-keystonemiddleware>=4.15.0
+keystonemiddleware>=4.20.0
 python-cinderclient>=2.0.1
 python-neutronclient>=6.2.0
 python-novaclient>=8.0.0