diff --git a/tox.ini b/tox.ini
index e945fb5..b84d055 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,6 +24,7 @@ usedevelop =
 deps =
   dj18: django>1.8,<1.9
   dj18: django-tables2<1.1
+  dj18: django-jsonfield<1.1
   dj111: django<2.0
   dj111: django-tables<2.0
   pg: psycopg2