diff --git a/tox.ini b/tox.ini
index fa5b79d..3cfa7c4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,7 @@ envlist = py{26}-django{16}-cms{30,31},py{27,33,34}-django{16,17}-cms{30,31}
 
 [testenv]
 deps =
+    html5lib < 0.9999
     django16: Django>=1.6,<1.7
     django17: Django>=1.7,<1.8
     cms30: https://github.com/divio/django-cms/archive/support/3.0.x.zip