diff --git a/aleksis/core/util/apps.py b/aleksis/core/util/apps.py
index d6640626add9b0e7523cfb945b4255fad7c28dd4..b04f839ef7893f9b8313c1564a95c31d0274cb59 100644
--- a/aleksis/core/util/apps.py
+++ b/aleksis/core/util/apps.py
@@ -1,5 +1,5 @@
 from importlib import import_module
-from typing import Any, List, Optional, Tuple
+from typing import Any, List, Optional, Tuple, Sequence
 
 import django.apps
 from django.contrib.auth.signals import user_logged_in, user_logged_out