diff --git a/tox.ini b/tox.ini
index 878d1725..1307b252 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py26, py27, py32, py33, py34
+envlist = py26, py27, py32, py33, py34, py35
 [testenv]
 deps =
     pytest>=2.3.5
@@ -32,6 +32,10 @@ deps =
     typing
     {[testenv]deps}
 [testenv:py34]
+deps =
+    typing
+    {[testenv]deps}
+[testenv:py35]
 deps =
     typing
     {[testenv]deps}