diff --git a/tox.ini b/tox.ini
index 1c9da8c3e..7e7af4ab1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -90,7 +90,7 @@ deps =
     astroid==1.3.8
     pylint==1.4.4
     logilab-common==1.0.2
-    six==1.9.0
+    six==1.10.0
     vulture==0.8.1
 commands =
     {envpython} scripts/link_pyqt.py --tox {envdir}