diff --git a/tox.ini b/tox.ini
index 56c8f393..161e86fb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,4 +2,5 @@
 envlist = py26, py27, pypy, py33
 
 [testenv]
+deps = -egit+git://github.com/mitsuhiko/werkzeug.git@sprint-branch#egg=werkzeug
 commands = python run-tests.py []