diff --git a/backend/app/settings.py b/backend/app/settings.py
index 9c4d59f0..67f6ef76 100644
--- a/backend/app/settings.py
+++ b/backend/app/settings.py
@@ -364,3 +364,5 @@ except EnvError:
 CELERY_ACCEPT_CONTENT = ['application/json']
 CELERY_TASK_SERIALIZER = 'json'
 CELERY_RESULT_SERIALIZER = 'json'
+
+DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'