diff --git a/swh/deposit/migrations/0013_depositrequest_raw_metadata.py b/swh/deposit/migrations/0013_depositrequest_raw_metadata.py
new file mode 100644
--- /dev/null
+++ b/swh/deposit/migrations/0013_depositrequest_raw_metadata.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.14 on 2018-07-19 13:07
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('deposit', '0012_deposit_status_detail'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='depositrequest',
+            name='raw_metadata',
+            field=models.TextField(null=True),
+        ),
+    ]
diff --git a/swh/deposit/models.py b/swh/deposit/models.py
--- a/swh/deposit/models.py
+++ b/swh/deposit/models.py
@@ -178,6 +178,7 @@
     # Deposit request information on the data to inject
     # this can be null when type is 'archive'
     metadata = JSONField(null=True)
+    raw_metadata = models.TextField(null=True)
     # this can be null when type is 'metadata'
     archive = models.FileField(null=True, upload_to=client_directory_path)