diff --git a/submission/migrations/0007_alter_submission_id.py b/submission/migrations/0007_alter_submission_id.py
new file mode 100644
index 0000000..d38e2a8
--- /dev/null
+++ b/submission/migrations/0007_alter_submission_id.py
@@ -0,0 +1,19 @@
+# Generated by Django 5.1.6 on 2025-03-18 11:33
+
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('submission', '0006_alter_submission_id'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='submission',
+            name='id',
+            field=models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False),
+        ),
+    ]
diff --git a/submission/models.py b/submission/models.py
index e6424ad..aa424ca 100644
--- a/submission/models.py
+++ b/submission/models.py
@@ -11,7 +11,6 @@ class Submission(TimeStampedModel):
         primary_key=True,
         default=uuid.uuid4,
         editable=False,
-        unique=True,
     )
     user = models.ForeignKey(
         User,