diff --git a/.travis.yml b/.travis.yml
index b72c5e9866f..3a1721c0bc9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,8 @@ env:
   - TOX_ENV=py27
   - TOX_ENV=py33
   - TOX_ENV=py34
+  - TOX_ENV=py35
+  - TOX_ENV=py36
 install:
 - pip install tox
 - pip install coveralls