diff --git a/template/stacks/forgejo/forgejo-server/manifests/forgejo-s3-backup-cronjob.yaml b/template/stacks/forgejo/forgejo-server/manifests/forgejo-s3-backup-cronjob.yaml
index 5037aec..013beb2 100644
--- a/template/stacks/forgejo/forgejo-server/manifests/forgejo-s3-backup-cronjob.yaml
+++ b/template/stacks/forgejo/forgejo-server/manifests/forgejo-s3-backup-cronjob.yaml
@@ -11,8 +11,8 @@ spec:
   startingDeadlineSeconds: 600 # 10 minutes
   jobTemplate:
     spec:
-      # 60 min until backup - 10 min start - (backoffLimit * activeDeadlineSeconds) - some time sync buffer
-      activeDeadlineSeconds: 1350
+      # 2h window: handles large incremental syncs after repo growth or OBS slowness; BackupJobTooSlow alert fires at 5m
+      activeDeadlineSeconds: 7200
       backoffLimit: 2
       ttlSecondsAfterFinished: 259200 #
       template: