diff --git a/.changes/unreleased/Feature-20260115-100801.yaml b/.changes/unreleased/Feature-20260115-100801.yaml
new file mode 100644
index 000000000..198cd8470
--- /dev/null
+++ b/.changes/unreleased/Feature-20260115-100801.yaml
@@ -0,0 +1,6 @@
+kind: Feature
+body: Increase the delay before removing stale workflow from 90 days to 180 days.
+time: 2026-01-15T10:08:01.177391818+01:00
+custom:
+    Issue: ""
+    SchemaChange: No schema change
diff --git a/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowCronJob.php b/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowCronJob.php
index e8b67e0ab..e63459c03 100644
--- a/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowCronJob.php
+++ b/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowCronJob.php
@@ -23,7 +23,7 @@ class CancelStaleWorkflowCronJob implements CronJobInterface
 {
     public const KEY = 'remove-stale-workflow';
 
-    public const KEEP_INTERVAL = 'P90D';
+    public const KEEP_INTERVAL = 'P180D';
 
     private const LAST_CANCELED_WORKFLOW = 'last-canceled-workflow-id';