1 files changed, 6 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 794e189..483427d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py27,py33,py34,py35,pypy,pypy3
+envlist=flake8,py27,py33,py34,py35,pypy,pypy3
 
 [testenv]
 deps=
@@ -8,3 +8,8 @@ deps=
 commands=
   sqlformat --version  # Sanity check.
   py.test --cov=sqlparse/ tests
+
+[testenv:flake8]
+basepython=python3.5
+deps=flake8
+commands=flake8 .