diff --git a/tox.ini b/tox.ini
index 59b00c4..c7d6b24 100644
--- a/tox.ini
+++ b/tox.ini
@@ -39,6 +39,7 @@ deps =
   # dependency constraints for authentic
   py2: django-appconf<1.0.4
   py2: django-filter<2
+  py3: django-filter<2.3
   drf34: djangorestframework>=3.4,<3.4.1
   drf39: djangorestframework>=3.9.2,<3.10
   dj111: django<2.0