diff --git a/tox.ini b/tox.ini
index 7217118b..c645a8be 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,6 +25,7 @@ deps =
   django-webtest<1.9.3
   psycopg2
   django-mellon
+  py2: django-jsonfield<1.3
   py2: quixote<3.0
   py2: vobject
   py2: django-ratelimit<3