diff --git a/migrations/Version20240131173953.php b/migrations/Version20240131173953.php
new file mode 100644
index 0000000..93d1bf2
--- /dev/null
+++ b/migrations/Version20240131173953.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20240131173953 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE assignment_upload DROP FOREIGN KEY FK_2F9CC602D19302F8');
+        $this->addSql('ALTER TABLE assignment_upload DROP FOREIGN KEY FK_2F9CC602CCCFBA31');
+        $this->addSql('DROP TABLE assignment_upload');
+        $this->addSql('ALTER TABLE upload DROP global');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE TABLE assignment_upload (assignment_id INT NOT NULL, upload_id INT NOT NULL, INDEX IDX_2F9CC602CCCFBA31 (upload_id), INDEX IDX_2F9CC602D19302F8 (assignment_id), PRIMARY KEY(assignment_id, upload_id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB COMMENT = \'\' ');
+        $this->addSql('ALTER TABLE assignment_upload ADD CONSTRAINT FK_2F9CC602D19302F8 FOREIGN KEY (assignment_id) REFERENCES assignment (id) ON DELETE CASCADE');
+        $this->addSql('ALTER TABLE assignment_upload ADD CONSTRAINT FK_2F9CC602CCCFBA31 FOREIGN KEY (upload_id) REFERENCES upload (id) ON DELETE CASCADE');
+        $this->addSql('ALTER TABLE upload ADD global TINYINT(1) NOT NULL');
+    }
+}