diff --git a/garage/backup/resources/cronjob.yaml b/garage/backup/resources/cronjob.yaml
index 9631190..51d5f63 100644
--- a/garage/backup/resources/cronjob.yaml
+++ b/garage/backup/resources/cronjob.yaml
@@ -4,6 +4,7 @@ metadata:
   name: backup
 spec:
   schedule: "42 */6 * * *"
+  concurrencyPolicy: Replace
   jobTemplate:
     spec:
       completions: 11
@@ -58,4 +59,4 @@ spec:
             runAsUser: 1000
             runAsGroup: 1000
             fsGroup: 1000
-            runAsNonRoot: true
\ No newline at end of file
+            runAsNonRoot: true