1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index e7630cb7..818cff78 100644
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,7 @@ install_requirements = [
     'twisted==13.0.0', # TODO: maybe we just want twisted-web?
     'u1db',
     'requests',
+    'six==1.1',
 ]