diff --git a/.travis.yml b/.travis.yml
index 734cc58ce76..97c62cff670 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,7 @@ addons:
       - deadsnakes
     packages:
       - python2.4
+      - python3.5
 install:
   - pip install tox PyYAML Jinja2 sphinx
 script: