diff --git a/mail/migrations/0022_alter_goodidmapping_id_alter_licencedata_id_and_more.py b/mail/migrations/0022_alter_goodidmapping_id_alter_licencedata_id_and_more.py
new file mode 100644
index 00000000..fa639a65
--- /dev/null
+++ b/mail/migrations/0022_alter_goodidmapping_id_alter_licencedata_id_and_more.py
@@ -0,0 +1,37 @@
+# Generated by Django 4.2.9 on 2024-01-04 10:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("mail", "0021_licencepayload_skip_process"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="goodidmapping",
+            name="id",
+            field=models.AutoField(primary_key=True, serialize=False),
+        ),
+        migrations.AlterField(
+            model_name="licencedata",
+            name="id",
+            field=models.AutoField(primary_key=True, serialize=False),
+        ),
+        migrations.AlterField(
+            model_name="licencedata",
+            name="licence_payloads",
+            field=models.ManyToManyField(
+                help_text="LicencePayload records linked to this LicenceData instance",
+                related_name="+",
+                to="mail.licencepayload",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transactionmapping",
+            name="id",
+            field=models.AutoField(primary_key=True, serialize=False),
+        ),
+    ]
diff --git a/mail/models.py b/mail/models.py
index c2de8a7c..6bd2b56a 100644
--- a/mail/models.py
+++ b/mail/models.py
@@ -100,6 +100,7 @@ def notify_users(id, response_date):
 
 
 class LicenceData(models.Model):
+    id = models.AutoField(primary_key=True)
     licence_ids = models.TextField()
     hmrc_run_number = models.IntegerField()
     source_run_number = models.IntegerField(null=True)
@@ -192,12 +193,14 @@ class OrganisationIdMapping(models.Model):
 
 
 class GoodIdMapping(models.Model):
+    id = models.AutoField(primary_key=True)
     lite_id = models.UUIDField(primary_key=False, null=False, blank=False, unique=False)
     licence_reference = models.CharField(null=False, blank=False, max_length=35, unique=False)
     line_number = models.PositiveIntegerField()
 
 
 class TransactionMapping(models.Model):
+    id = models.AutoField(primary_key=True)
     licence_reference = models.CharField(null=False, blank=False, max_length=35, unique=False)
     line_number = models.PositiveIntegerField(null=True, blank=True)
     usage_transaction = models.CharField(null=False, blank=False, max_length=35)