diff --git a/requirements.txt b/requirements.txt
index 66563e57b..9accb4ff6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ python-keystoneclient>=0.9.0
 requests>=1.1
 simplejson>=2.0.9
 Babel>=1.3
-six>=1.6.0
+six>=1.7.0
diff --git a/test-requirements.txt b/test-requirements.txt
index bce44f689..afd5af789 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,8 +4,8 @@ coverage>=3.6
 discover
 fixtures>=0.3.14
 mock>=1.0
-httpretty>=0.8.0
+httpretty>=0.8.0,!=0.8.1,!=0.8.2
 python-subunit>=0.0.18
-sphinx>=1.2.1,<1.3
+sphinx>=1.1.2,!=1.2.0,<1.3
 testtools>=0.9.34
 testrepository>=0.0.18