diff --git a/requirements.txt b/requirements.txt
index c09cd7b..25626cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,10 @@
 pbr>=0.6,!=0.7,<1.0
 argparse
-cliff>=1.4.3
+cliff>=1.6.0
 iso8601>=0.1.9
 netaddr>=0.7.6
 requests>=1.1
 python-keystoneclient>=0.9.0
 simplejson>=2.0.9
-six>=1.6.0
+six>=1.7.0
 Babel>=1.3
diff --git a/test-requirements.txt b/test-requirements.txt
index 402590b..40d89ac 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,6 +6,6 @@ discover
 fixtures>=0.3.14
 mox>=0.5.3
 python-subunit>=0.0.18
-sphinx>=1.1.2,<1.2
+sphinx>=1.1.2,!=1.2.0,<1.3
 testrepository>=0.0.18
 testtools>=0.9.34