diff --git a/requirements.txt b/requirements.txt
index bea27f2028d..2113f2596ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,6 +11,7 @@ greenlet>=0.3.2 # MIT
 httplib2>=0.7.5 # MIT
 iso8601>=0.1.11 # MIT
 ipaddress>=1.0.7;python_version<'3.3' # PSF
+keystoneauth1>=2.10.0 # Apache-2.0
 keystonemiddleware!=4.1.0,!=4.5.0,>=4.0.0 # Apache-2.0
 lxml>=2.3 # BSD
 oauth2client>=1.5.0 # Apache-2.0