diff --git a/.travis.yml b/.travis.yml
index bede03c..76c6efb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ install:
 script:
 - nosetests --with-coverage
 - python setup.py build_sphinx
+- flake8
 after_success:
 - codecov
 sudo: false