diff --git a/tox.ini b/tox.ini
index 5ffb666..831b12e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,5 @@
 envlist = py26, py27, pypy, py33, py34
 
 [testenv]
-commands =
-    nosetests {posargs:-w tests -v}
-deps =
-    nose
+commands = py.test
+deps = pytest