diff --git a/server/website/website/migrations/0004_add_lhs.py b/server/website/website/migrations/0004_add_lhs.py
new file mode 100644
index 0000000..495ae93
--- /dev/null
+++ b/server/website/website/migrations/0004_add_lhs.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.23 on 2019-11-07 00:58
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('website', '0003_load_initial_data'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='session',
+            name='lhs_samples',
+            field=models.TextField(default='[]'),
+        ),
+        migrations.AlterField(
+            model_name='session',
+            name='tuning_session',
+            field=models.CharField(choices=[('tuning_session', 'Tuning Session'), ('no_tuning_session', 'No Tuning'), ('randomly_generate', 'Randomly Generate'), ('lhs', 'Run LHS')], default='tuning_session', max_length=64, verbose_name='session type'),
+        ),
+    ]