diff --git a/rrs/migrations/0030_alter_recipeupgrade_maintainer.py b/rrs/migrations/0030_alter_recipeupgrade_maintainer.py
new file mode 100644
index 0000000..7044739
--- /dev/null
+++ b/rrs/migrations/0030_alter_recipeupgrade_maintainer.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 3.2.11 on 2022-01-13 22:16
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rrs', '0029_rrs_license_group'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='recipeupgrade',
+            name='maintainer',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='rrs.maintainer'),
+        ),
+    ]