diff --git a/requirements.txt b/requirements.txt
index 49711da17a21..86bacaddb18a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ enum34;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' #
 iso8601>=0.1.11 # MIT
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 python-cinderclient!=1.7.0,!=1.7.1,>=1.6.0 # Apache-2.0
-keystoneauth1>=2.17.0 # Apache-2.0
+keystoneauth1>=2.18.0 # Apache-2.0
 python-neutronclient>=5.1.0 # Apache-2.0
 python-glanceclient>=2.5.0 # Apache-2.0
 requests!=2.12.2,>=2.10.0 # Apache-2.0