diff --git a/ietf/doc/migrations/0025_auto_20170307_0146.py b/ietf/doc/migrations/0025_auto_20170307_0146.py
new file mode 100644
index 000000000..c6222f2ab
--- /dev/null
+++ b/ietf/doc/migrations/0025_auto_20170307_0146.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.6 on 2017-03-07 01:46
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('doc', '0024_del_docevent_subclass_revision'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='docevent',
+            name='rev',
+            field=models.CharField(blank=True, max_length=16, null=True, verbose_name=b'revision'),
+        ),
+    ]