diff --git a/boundaries/migrations/0008_alter_boundary_extent_alter_boundary_metadata_and_more.py b/boundaries/migrations/0008_alter_boundary_extent_alter_boundary_metadata_and_more.py
new file mode 100644
index 0000000..bb6d899
--- /dev/null
+++ b/boundaries/migrations/0008_alter_boundary_extent_alter_boundary_metadata_and_more.py
@@ -0,0 +1,34 @@
+# Generated by Django 4.2.8 on 2023-12-10 02:19
+
+import django.core.serializers.json
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('boundaries', '0007_auto_20180325_1421'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='boundary',
+            name='extent',
+            field=models.JSONField(blank=True, help_text='The bounding box of the boundary as a list like [xmin, ymin, xmax, ymax] in EPSG:4326.', null=True),
+        ),
+        migrations.AlterField(
+            model_name='boundary',
+            name='metadata',
+            field=models.JSONField(blank=True, default=dict, encoder=django.core.serializers.json.DjangoJSONEncoder, help_text='The attributes of the boundary from the shapefile, as a dictionary.'),
+        ),
+        migrations.AlterField(
+            model_name='boundaryset',
+            name='extent',
+            field=models.JSONField(blank=True, help_text="The set's boundaries' bounding box as a list like [xmin, ymin, xmax, ymax] in EPSG:4326.", null=True),
+        ),
+        migrations.AlterField(
+            model_name='boundaryset',
+            name='extra',
+            field=models.JSONField(blank=True, default=dict, help_text='Any additional metadata.'),
+        ),
+    ]