diff --git a/tox.ini b/tox.ini
index 0f91ada..2221008 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,25 @@
 [tox]
 
 envlist=
-    py{27,34}-django{17,18}
+    clean,py{27,34}-django{17,18},stats
 
 [testenv]
 
 deps =
     django17: django==1.7
     django18: django==1.8
+    coverage
 
 commands =
     pip install -e .
-    {envbindir}/django-admin.py test oidc_provider --settings=oidc_provider.tests.app.settings
+    coverage run --omit=.tox/*,oidc_provider/tests/* {envbindir}/django-admin.py test oidc_provider --settings=oidc_provider.tests.app.settings
+
+[testenv:clean]
+
+commands=
+    coverage erase
+
+[testenv:stats]
+
+commands=
+    coverage report -m