diff --git a/src/agenda_culturel/migrations/0021_alter_event_possibly_duplicated.py b/src/agenda_culturel/migrations/0021_alter_event_possibly_duplicated.py
new file mode 100644
index 0000000..f3601dd
--- /dev/null
+++ b/src/agenda_culturel/migrations/0021_alter_event_possibly_duplicated.py
@@ -0,0 +1,19 @@
+# Generated by Django 4.2.7 on 2023-12-30 12:32
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agenda_culturel', '0020_trigram_extension'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='event',
+            name='possibly_duplicated',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='agenda_culturel.duplicatedevents', verbose_name='Possibly duplicated'),
+        ),
+    ]