diff --git a/example/project/settings.py b/example/project/settings.py
index 4c5334e2..78f8d3d0 100644
--- a/example/project/settings.py
+++ b/example/project/settings.py
@@ -103,6 +103,8 @@
 STATIC_ROOT = os.path.join(BASE_DIR, "staticfiles")
 
 
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
 UNICORN = {
     "SERIAL": {
         "ENABLED": True,