diff --git a/k8s/core/system-upgrade/crd.yaml b/k8s/core/system-upgrade/crd.yaml
index 927a8ca..bfc0197 100644
--- a/k8s/core/system-upgrade/crd.yaml
+++ b/k8s/core/system-upgrade/crd.yaml
@@ -4,6 +4,7 @@ metadata:
   name: plans.upgrade.cattle.io
 spec:
   group: upgrade.cattle.io
+  preserveUnknownFields: false
   names:
     categories:
     - upgrade