diff --git a/argocd-apps/metallb-config.yaml b/argocd-apps/metallb-config.yaml
index 8723f65..f1eeb77 100644
--- a/argocd-apps/metallb-config.yaml
+++ b/argocd-apps/metallb-config.yaml
@@ -12,6 +12,11 @@ spec:
   destination:
     server: https://kubernetes.default.svc
     namespace: metallb-system
+  ignoreDifferences:
+    - group: admissionregistration.k8s.io
+      kind: ValidatingWebhookConfiguration
+    - group: apiextensions.k8s.io
+      kind: CustomResourceDefinition
   syncPolicy:
     automated:
       prune: true