diff --git a/.travis.yml b/.travis.yml
index d9139e4..37baaf2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,9 +25,10 @@ matrix:
       env: TOXENV=pypy3
     - python: 2.7
       env: TOXENV=docs
-      # TODO add flake8 also for python3
     - python: 2.7
       env: TOXENV=flake8
+    - python: 3.4
+      env: TOXENV=flake8
   allow_failures:
     - python: 3.5-dev
     - python: nightly