diff --git a/requirements.txt b/requirements.txt
index 546b12a..be43fcd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ PrettyTable>=0.7,<0.8
 requests>=1.1
 simplejson>=2.0.9
 Babel>=1.3
-six>=1.4.1
+six>=1.5.2