diff --git a/archivebox/core/migrations/0003_auto_20200630_1034.py b/archivebox/core/migrations/0003_auto_20200630_1034.py
new file mode 100644
index 00000000..61fd4727
--- /dev/null
+++ b/archivebox/core/migrations/0003_auto_20200630_1034.py
@@ -0,0 +1,38 @@
+# Generated by Django 3.0.7 on 2020-06-30 10:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0002_auto_20200625_1521'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='snapshot',
+            name='added',
+            field=models.DateTimeField(auto_now_add=True, db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='snapshot',
+            name='tags',
+            field=models.CharField(db_index=True, default=None, max_length=256, null=True),
+        ),
+        migrations.AlterField(
+            model_name='snapshot',
+            name='timestamp',
+            field=models.CharField(db_index=True, default=None, max_length=32, null=True),
+        ),
+        migrations.AlterField(
+            model_name='snapshot',
+            name='title',
+            field=models.CharField(db_index=True, default=None, max_length=128, null=True),
+        ),
+        migrations.AlterField(
+            model_name='snapshot',
+            name='updated',
+            field=models.DateTimeField(db_index=True, default=None, null=True),
+        ),
+    ]