diff --git a/tox.ini b/tox.ini
index 81bb844..cc912eb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,13 +2,15 @@
 envlist=py26,py27,py33,py34,pypy
 
 [testenv]
-commands=py.test []
+commands=py.test --cov rq
 deps=
     pytest
+    pytest-cov
     mock
 
 [testenv:py26]
 deps=
     pytest
+    pytest-cov
     unittest2
     mock