diff --git a/requirements.txt b/requirements.txt
index d4948a2c..9eead0e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ pbr>=0.5.21,<1.0
 argparse
 iso8601>=0.1.8
 PrettyTable>=0.7,<0.8
-python-keystoneclient>=0.4.2
+python-keystoneclient>=0.6.0
 six>=1.4.1
diff --git a/setup.cfg b/setup.cfg
index e53f0b98..2afe6318 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,6 +16,8 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 2.6
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.3
 
 [files]
 packages =