diff --git a/requirements.txt b/requirements.txt
index 04996222ac..2333ee4c80 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ Paste # MIT
 PasteDeploy>=1.5.0 # MIT
 pyparsing>=2.1.0 # MIT
 python-neutronclient>=5.1.0 # Apache-2.0
-keystoneauth1>=2.18.0 # Apache-2.0
+keystoneauth1>=2.20.0 # Apache-2.0
 keystonemiddleware>=4.12.0 # Apache-2.0
 requests!=2.12.2,!=2.13.0,>=2.10.0 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0