diff --git a/apps/vault.yaml b/apps/vault.yaml
index 923e454..29c4945 100644
--- a/apps/vault.yaml
+++ b/apps/vault.yaml
@@ -22,3 +22,8 @@ spec:
     automated:
       prune: true
       selfHeal: true
+  ignoreDifferences:
+    - group: admissionregistration.k8s.io
+      kind: MutatingWebhookConfiguration
+      jsonPointers:
+        - /webhooks/0/clientConfig/caBundle