diff --git a/src/Migrations/Version20240823111615.php b/src/Migrations/Version20240823111615.php
new file mode 100644
index 0000000..99ea871
--- /dev/null
+++ b/src/Migrations/Version20240823111615.php
@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Pimcore
+ *
+ * This source file is available under two different licenses:
+ * - GNU General Public License version 3 (GPLv3)
+ * - Pimcore Commercial License (PCL)
+ * Full copyright and license information is available in
+ * LICENSE.md which is distributed with this source code.
+ *
+ *  @copyright  Copyright (c) Pimcore GmbH (http://www.pimcore.org)
+ *  @license    http://www.pimcore.org/license     GPLv3 and PCL
+ */
+
+namespace OutputDataConfigToolkitBundle\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20240823111615 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Migrate bundle_outputdataconfigtoolkit_outputdefinition table columns';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $table = $schema->getTable('bundle_outputdataconfigtoolkit_outputdefinition');
+
+        $query = "ALTER TABLE `%s` CHANGE COLUMN `configuration` `configuration` LONGTEXT
+                    CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin' NULL DEFAULT NULL;";
+
+        $this->addSql(sprintf($query, $table->getName()));
+    }
+
+    public function down(Schema $schema): void
+    {
+        $table = $schema->getTable('bundle_outputdataconfigtoolkit_outputdefinition');
+
+        $query = "ALTER TABLE `%s` CHANGE COLUMN `configuration` `configuration` LONGTEXT
+                    CHARACTER SET 'latin1' NULL DEFAULT NULL;";
+
+        $this->addSql(sprintf($query, $table->getName()));
+    }
+}
diff --git a/src/Tools/Installer.php b/src/Tools/Installer.php
index 6f544a2..dbbf4df 100644
--- a/src/Tools/Installer.php
+++ b/src/Tools/Installer.php
@@ -36,8 +36,8 @@ public function install(): void
               `id` int(11) NOT NULL AUTO_INCREMENT,
               `objectId` int(11) NOT NULL,
               `classId` varchar(50) NOT NULL,
-              `channel` varchar(255) COLLATE utf8_bin NOT NULL,
-              `configuration` longtext CHARACTER SET latin1,
+              `channel` varchar(255) NOT NULL,
+              `configuration` longtext,
               PRIMARY KEY (`id`),
               UNIQUE KEY `Unique` (`objectId`,`classId`,`channel`)
             ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
@@ -78,7 +78,7 @@ public function uninstall(): void
         $db->executeQuery('DROP TABLE IF EXISTS `' . Dao::TABLE_NAME . '`;');
 
         $db->executeQuery("DELETE FROM users_permission_definitions WHERE `key` = 'bundle_outputDataConfigToolkit'");
-        if (self::isInstalled()) {
+        if ($this->isInstalled()) {
             throw new InstallationException('Could not be uninstalled.');
         }
     }