diff --git a/tox.ini b/tox.ini
index 26f30e2..9aeeb9c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -55,3 +55,6 @@ junit_family=xunit2
 filterwarnings =
   error
   ignore:Using or importing the ABCs from 'collections':DeprecationWarning:django.*
+# 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