diff --git a/conservancy/usethesource/migrations/0005_candidate_email_message_id.py b/conservancy/usethesource/migrations/0005_candidate_email_message_id.py
new file mode 100644
index 0000000000000000000000000000000000000000..a9f1c295985c37600c83f01b768e16103684e7d0
--- /dev/null
+++ b/conservancy/usethesource/migrations/0005_candidate_email_message_id.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.2.19 on 2024-01-26 01:36
+
+import conservancy.usethesource.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('usethesource', '0004_auto_20240125_2352'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='candidate',
+            name='email_message_id',
+            field=models.CharField(default=conservancy.usethesource.models.gen_message_id, max_length=255),
+        ),
+    ]