diff --git a/edc_appointment/migrations/0048_alter_appointment_site_and_more.py b/edc_appointment/migrations/0048_alter_appointment_site_and_more.py
new file mode 100644
index 0000000..eba4009
--- /dev/null
+++ b/edc_appointment/migrations/0048_alter_appointment_site_and_more.py
@@ -0,0 +1,36 @@
+# Generated by Django 5.0 on 2024-01-24 18:10
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("edc_appointment", "0047_alter_appointment_options_and_more"),
+        ("sites", "0002_alter_domain_unique"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="appointment",
+            name="site",
+            field=models.ForeignKey(
+                null=True,
+                on_delete=django.db.models.deletion.PROTECT,
+                related_name="+",
+                to="sites.site",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="historicalappointment",
+            name="site",
+            field=models.ForeignKey(
+                blank=True,
+                db_constraint=False,
+                null=True,
+                on_delete=django.db.models.deletion.DO_NOTHING,
+                related_name="+",
+                to="sites.site",
+            ),
+        ),
+    ]