diff --git a/k8s/core/system-upgrade/crd.yaml b/k8s/core/system-upgrade/crd.yaml
index e8b3c58..927a8ca 100644
--- a/k8s/core/system-upgrade/crd.yaml
+++ b/k8s/core/system-upgrade/crd.yaml
@@ -26,7 +26,6 @@ spec:
     name: v1
     schema:
       openAPIV3Schema:
-        additionalProperties: false
         properties:
           spec:
             properties: