diff --git a/cluster-configuration/templates/cloudnative-pg/operator-application.yaml b/cluster-configuration/templates/cloudnative-pg/operator-application.yaml
index f0eab6bb45d2ee9df17c1463d7a0579d7732b85f..1289b52fb356ebb24beede76de27ac3f40529a23 100644
--- a/cluster-configuration/templates/cloudnative-pg/operator-application.yaml
+++ b/cluster-configuration/templates/cloudnative-pg/operator-application.yaml
@@ -25,4 +25,13 @@ spec:
       selfHeal: {{ .Values.defaultSelfHeal }}
     syncOptions:
     - ServerSideApply=true
+  ignoreDifferences:
+    - group: admissionregistration.k8s.io
+      kind: ValidatingWebhookConfiguration
+      jqPathExpressions:
+        - '.webhooks[]?.clientConfig.caBundle'
+    - group: admissionregistration.k8s.io
+      kind: MutatingWebhookConfiguration
+      jqPathExpressions:
+        - '.webhooks[]?.clientConfig.caBundle'
 {{ end }}