diff --git a/.travis.yml b/.travis.yml
index d2480db2a..6915b379f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ install:
 - pip install tox
 script:
 - tox
+python: 3.5
 env:
   matrix:
   - TOXENV=py26
diff --git a/tox.ini b/tox.ini
index 74cd282a9..14d58bdf7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ envlist =
     py32
     py33
     py34
+    py35
     coverage
 skip_missing_interpreters = True