diff --git a/migrations/Version20250831013403.php b/migrations/Version20250831013403.php
new file mode 100644
index 0000000..297730a
--- /dev/null
+++ b/migrations/Version20250831013403.php
@@ -0,0 +1,47 @@
+<?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 Version20250831013403 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(<<<'SQL'
+            DROP TABLE sessions
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE download CHANGE created_at created_at DATETIME NOT NULL, CHANGE updated_at updated_at DATETIME NOT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE user_preference CHANGE preference_value preference_value VARCHAR(1024) DEFAULT NULL
+        SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql(<<<'SQL'
+            CREATE TABLE sessions (sess_id VARBINARY(128) NOT NULL, sess_data LONGBLOB NOT NULL, sess_lifetime INT UNSIGNED NOT NULL, sess_time INT UNSIGNED NOT NULL, INDEX sess_lifetime_idx (sess_lifetime), PRIMARY KEY(sess_id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_bin` ENGINE = InnoDB COMMENT = '' 
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE download CHANGE created_at created_at DATETIME DEFAULT NULL, CHANGE updated_at updated_at DATETIME DEFAULT NULL
+        SQL);
+        $this->addSql(<<<'SQL'
+            ALTER TABLE user_preference CHANGE preference_value preference_value VARCHAR(255) DEFAULT NULL
+        SQL);
+    }
+}