diff --git a/tox.ini b/tox.ini
index cedba2f117..47a3f4891c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,6 +28,7 @@ dj171 =
 
 dj18 =
     https://github.com/django/django/archive/stable/1.8.x.zip#egg=django
+    https://github.com/alex/django-taggit/archive/develop.zip#egg=django-taggit
 
 py2 =
     unicodecsv>=0.9.4