diff --git a/requirements.txt b/requirements.txt
index f1cf59ff..3cb4ea20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 requests>=1.1
 simplejson>=2.0.9
+six>=1.5.2
diff --git a/test-requirements.txt b/test-requirements.txt
index 936735ed..d5673f34 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,6 @@ coverage>=3.6
 discover
 mock>=1.0
 python-keystoneclient>=0.6.0
-six>=1.5.2
 sphinx>=1.1.2,<1.2
 testrepository>=0.0.18
 testtools>=0.9.34