diff --git a/v2/test-requirements.txt b/v2/test-requirements.txt
index 97a75d3cb5c..ca5bcae0d98 100644
--- a/v2/test-requirements.txt
+++ b/v2/test-requirements.txt
@@ -4,6 +4,7 @@ PyYAML
 jinja2
 httplib2
 passlib
+six
 
 # Test requirements
 unittest2