diff --git a/ietf/review/migrations/0023_auto_20200306_1257.py b/ietf/review/migrations/0023_auto_20200306_1257.py
new file mode 100644
index 000000000..c3f6adfbe
--- /dev/null
+++ b/ietf/review/migrations/0023_auto_20200306_1257.py
@@ -0,0 +1,21 @@
+# Copyright The IETF Trust 2020, All Rights Reserved
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.29 on 2020-03-06 12:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('review', '0022_reviewer_queue_policy_and_request_assignment_next'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='historicalreviewersettings',
+            name='history_change_reason',
+            field=models.TextField(null=True),
+        ),
+    ]