diff --git a/tox.ini b/tox.ini
index b71fefc..5c7c00f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py26, py27, py33, py34, py35, py36
+envlist = py26, py27, py33, py34, py35, py36, flake8
 
 [testenv]
 deps =
@@ -8,3 +8,8 @@ deps =
 commands =
     pip install -r requirements.txt --use-wheel
     py.test --junitxml=junit-{envname}.xml --cov-report xml tests.py
+
+[flake8]
+commands =
+   pip install flake8
+   flake8snappass/