diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..878839e
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,11 @@
+[tox]
+minversion = 1.6
+skipsdist = True
+envlist = py27,py33,py34
+
+[testenv:venv]
+commands = {posargs}
+
+[tox:jenkins]
+downloadcache = ~/cache/pip
+