diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..2ddaee1
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,6 @@
+[tox]
+envlist = pep8
+
+[testenv:pep8]
+deps = pep8
+commands = pep8 --repeat --show-source zuul zuul-server setup.py