diff --git a/tox.ini b/tox.ini
index 3903d19..6d40478 100644
--- a/tox.ini
+++ b/tox.ini
@@ -97,3 +97,4 @@ filterwarnings =
 # warning of gettext() when using Django 1.11 with Python 3.8
   ignore:set_output_charset\(\) is deprecated::django.utils.translation.trans_real
   ignore:parameter codeset is deprecated::django.utils.translation.trans_real
+  ignore::ImportWarning