diff --git a/infrastructure/longhorn-app.yaml b/infrastructure/longhorn-app.yaml
index ff980aa..77b9aa5 100644
--- a/infrastructure/longhorn-app.yaml
+++ b/infrastructure/longhorn-app.yaml
@@ -19,6 +19,11 @@ spec:
   destination:
     server: https://kubernetes.default.svc
     namespace: longhorn-system
+  ignoreDifferences:
+    - group: apiextensions.k8s.io
+      kind: CustomResourceDefinition
+      jsonPointers:
+        - /spec/preserveUnknownFields
   syncPolicy:
     automated:
       prune: true