diff --git a/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml b/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml
index a394cab4..528b2d4f 100644
--- a/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml
+++ b/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml
@@ -16,7 +16,8 @@ spec:
   serviceAccountName: system-upgrade
   upgrade:
     image: rancher/k3s-upgrade
-  version: v1.26.11+k3s2
+  #version: v1.26.11+k3s2
+  channel: https://update.k3s.io/v1-release/channels/v1.28
 ---
 # Agent plan
 apiVersion: upgrade.cattle.io/v1
@@ -39,4 +40,5 @@ spec:
   serviceAccountName: system-upgrade
   upgrade:
     image: rancher/k3s-upgrade
-  version: v1.26.11+k3s2
+  #version: v1.26.11+k3s2
+  channel: https://update.k3s.io/v1-release/channels/v1.28