diff --git a/deploy/chart/webhook/templates/ca-sync.yaml b/deploy/chart/webhook/templates/ca-sync.yaml
index 149cad9ec..91cc91072 100644
--- a/deploy/chart/webhook/templates/ca-sync.yaml
+++ b/deploy/chart/webhook/templates/ca-sync.yaml
@@ -1,4 +1,4 @@
-## This file contains a CronJob that runs every 24h to automatically update the
+## This file contains a CronJob that runs every week to automatically update the
 ## caBundle set on the APIService and ValidatingWebhookConfiguration resource.
 ## This allows us to store the CA bundle in a Secret resource which is
 ## generated by cert-manager's 'selfsigned' Issuer.
@@ -13,7 +13,7 @@ metadata:
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
 spec:
-  schedule: "* * */24 * *"
+  schedule: "@weekly"
   jobTemplate:
     spec:
       template: