diff --git a/setup.py b/setup.py
index 80849f2..0653a99 100644
--- a/setup.py
+++ b/setup.py
@@ -31,4 +31,7 @@ setup(
     keywords='weakref WeakMethod',
     tests_require=['unittest2'],
     test_suite='test_weakmethod',
+    extra_requires={
+        'test': ["tox"]
+    }
 )
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..de9bc3c
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,8 @@
+[tox]
+envlist = py26, py27, py32, py33
+
+[testenv]
+commands =
+    unit2
+deps =
+    unittest2
\ No newline at end of file