diff --git a/requirements.txt b/requirements.txt
index fdb7fd46..9f0126f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ oslo.utils>=3.16.0 # Apache-2.0
 pbr>=1.6 # Apache-2.0
 positional>=1.1.1 # Apache-2.0
 pycadf!=2.0.0,>=1.1.0 # Apache-2.0
-python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
+python-keystoneclient>=3.6.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT
 WebOb>=1.6.0 # MIT