diff --git a/requirements.txt b/requirements.txt
index a798ff11d..735582ee2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ python-cinderclient!=1.7.0,!=1.7.1,>=1.6.0 # Apache-2.0
 python-designateclient>=1.5.0 # Apache-2.0
 python-glanceclient>=2.5.0 # Apache-2.0
 python-heatclient>=1.5.0 # Apache-2.0
-python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
+python-keystoneclient>=3.6.0 # Apache-2.0
 python-mistralclient>=2.0.0 # Apache-2.0
 python-magnumclient>=2.0.0 # Apache-2.0
 python-muranoclient>=0.8.2 # Apache-2.0