diff --git a/appinfo/info.xml b/appinfo/info.xml
index a708bb81..761482a2 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -43,7 +43,7 @@ to join us in shaping a more versatile, stable, and secure app landscape.
 *Your insights, suggestions, and contributions are invaluable to us.*
 
 	]]></description>
-	<version>4.0.5</version>
+	<version>4.0.6</version>
 	<licence>agpl</licence>
 	<author mail="andrey18106x@gmail.com" homepage="https://github.com/andrey18106">Andrey Borysenko</author>
 	<author mail="bigcat88@icloud.com" homepage="https://github.com/bigcat88">Alexander Piskun</author>
diff --git a/lib/Migration/Version4000Date20250109163840.php b/lib/Migration/Version4000Date20250109163840.php
new file mode 100644
index 00000000..812fe455
--- /dev/null
+++ b/lib/Migration/Version4000Date20250109163840.php
@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\AppAPI\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version4000Date20250109163840 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('ex_task_processing')) {
+			$table = $schema->getTable('ex_task_processing');
+
+			$name = $table->getColumn('name');
+			if ($name->getLength() < 255) {
+				$name->setLength(255);
+			}
+
+			$displayName = $table->getColumn('display_name');
+			if ($displayName->getLength() < 255) {
+				$displayName->setLength(255);
+			}
+
+			$taskType = $table->getColumn('task_type');
+			if ($taskType->getLength() < 255) {
+				$taskType->setLength(255);
+			}
+		}
+
+		return $schema;
+	}
+}