diff --git a/requirements.txt b/requirements.txt
index 1d7ed43..2e00eaf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ simplejson==3.10.0
 voluptuous==0.10.5
 nose==1.3.7
 mock==2.0.0
-six==1.10.0
+six==1.12.0