diff --git a/lib/private/TaskProcessing/Manager.php b/lib/private/TaskProcessing/Manager.php
index d67b025d5edc0..35bd10270868a 100644
--- a/lib/private/TaskProcessing/Manager.php
+++ b/lib/private/TaskProcessing/Manager.php
@@ -79,7 +79,7 @@ class Manager implements IManager {
 		'ai.taskprocessing_provider_preferences',
 	];
 
-	public const MAX_TASK_AGE_SECONDS = 60 * 60 * 24 * 30 * 4; // 4 months
+	public const MAX_TASK_AGE_SECONDS = 60 * 60 * 24 * 31 * 6; // 6 months
 
 	private const TASK_TYPES_CACHE_KEY = 'available_task_types_v3';
 	private const TASK_TYPE_IDS_CACHE_KEY = 'available_task_type_ids';