diff --git a/tox.ini b/tox.ini
index c7cf7bf..ba68c03 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,8 @@ envlist =
    py27,
    py34,
    py35,
-   py36
+   py36,
+   flake8
 
 [testenv]
 commands =
@@ -16,3 +17,13 @@ deps =
     setuptools==33.1.1
     zc.buildout
     coverage
+
+[testenv:flake8]
+basepython = python2.7
+commands =
+    flake8 --format=html --htmldir={toxinidir}/parts/flake8 --doctests src setup.py {posargs}
+deps =
+    flake8
+    flake8-html
+    flake8-debugger
+    flake8-todo