diff --git a/backend/contest/migrations/0013_auto_20220302_1413.py b/backend/contest/migrations/0013_auto_20220302_1413.py
new file mode 100644
index 000000000..5727aedff
--- /dev/null
+++ b/backend/contest/migrations/0013_auto_20220302_1413.py
@@ -0,0 +1,49 @@
+# Generated by Django 3.2.12 on 2022-03-02 05:13
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contest', '0012_rename_total_score_acmcontestrank_total_penalty'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='contest',
+            name='constraints',
+            field=models.JSONField(default=list),
+        ),
+        migrations.AddField(
+            model_name='contest',
+            name='requirements',
+            field=models.JSONField(default=list),
+        ),
+        migrations.AddField(
+            model_name='contest',
+            name='scoring',
+            field=models.TextField(default='ACM-ICPC style'),
+        ),
+        migrations.CreateModel(
+            name='ContestPrize',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('color', models.TextField()),
+                ('name', models.TextField()),
+                ('reward', models.TextField()),
+                ('contest', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contest.contest')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='acmcontestrank',
+            name='prize',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='contest.contestprize'),
+        ),
+        migrations.AddField(
+            model_name='oicontestrank',
+            name='prize',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='contest.contestprize'),
+        ),
+    ]