diff --git a/requirements.txt b/requirements.txt
index 0978be45..b13a89e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ oslo.serialization>=1.4.0               # Apache-2.0
 oslo.utils>=1.4.0                       # Apache-2.0
 pbr>=0.11,<2.0
 pycadf>=0.8.0
-python-keystoneclient>=1.3.0
+python-keystoneclient>=1.6.0
 requests>=2.5.2
 six>=1.9.0
 WebOb>=1.2.3