diff --git a/tox.ini b/tox.ini
new file mode 100644
index 00000000..56c8f393
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,5 @@
+[tox]
+envlist = py26, py27, pypy, py33
+
+[testenv]
+commands = python run-tests.py []