diff --git a/app/admin/page.tsx b/app/admin/page.tsx
index d347d56..ab92431 100644
--- a/app/admin/page.tsx
+++ b/app/admin/page.tsx
@@ -4,15 +4,17 @@ import { connection } from "next/server";
 import { StructuredDashboard } from "@/components/admin/structured-dashboard";
 import { AdminHeader } from "@/components/admin/admin-header";
 import { getAdminSession } from "@/lib/auth/server";
+import { getLatestLunarisVersion } from "@/lib/catalog/sync";
 import { getActiveCatalog, listGuideCards } from "@/lib/guides/queries";
 
 export default async function AdminPage() {
   await connection();
   if (!(await getAdminSession())) redirect("/admin/login");
-  const [guides, trash, catalog] = await Promise.all([
+  const [guides, trash, catalog, latestCatalogVersion] = await Promise.all([
     listGuideCards(),
     listGuideCards(true),
     getActiveCatalog(),
+    getLatestLunarisVersion().catch(() => null),
   ]);
   return (
     <div className="min-h-svh">
@@ -23,7 +25,7 @@ export default async function AdminPage() {
           <h1 className="font-heading text-3xl font-semibold">Guide Dashboard</h1>
           <p className="mt-2 text-muted-foreground">จัดการ Guide แบบภาพ-first และบันทึกขึ้นเว็บไซต์ทันที</p>
         </header>
-        <StructuredDashboard guides={guides} trash={trash} catalogVersion={catalog?.version ?? null} />
+        <StructuredDashboard guides={guides} trash={trash} catalogVersion={catalog?.version ?? null} latestCatalogVersion={latestCatalogVersion} />
       </main>
     </div>
   );
diff --git a/components/admin/structured-dashboard.tsx b/components/admin/structured-dashboard.tsx
index 67cbb15..e9f3845 100644
--- a/components/admin/structured-dashboard.tsx
+++ b/components/admin/structured-dashboard.tsx
@@ -17,10 +17,11 @@ import { Spinner } from "@/components/ui/spinner";
 
 type GuideCard = { id: string; characterKey: string; name: string; overview: string; coverUrl: string; version: number; updatedAt: Date; trashedAt: Date | null };
 
-export function StructuredDashboard({ guides, trash, catalogVersion }: { guides: GuideCard[]; trash: GuideCard[]; catalogVersion: string | null }) {
+export function StructuredDashboard({ guides, trash, catalogVersion, latestCatalogVersion }: { guides: GuideCard[]; trash: GuideCard[]; catalogVersion: string | null; latestCatalogVersion: string | null }) {
   const router = useRouter();
   const [pending, startTransition] = useTransition();
   const catalogReady = Boolean(catalogVersion);
+  const updateAvailable = Boolean(catalogVersion && latestCatalogVersion && catalogVersion !== latestCatalogVersion);
 
   function run(action: () => Promise<{ status: string; message?: string }>, success: string) {
     startTransition(async () => {
@@ -33,7 +34,7 @@ export function StructuredDashboard({ guides, trash, catalogVersion }: { guides:
   return (
     <div className="flex flex-col gap-10">
       <div className="flex flex-wrap items-center justify-between gap-3">
-        <div className="flex items-center gap-2"><Badge variant="outline">Lunaris {catalogVersion ? `v${catalogVersion}` : "ยังไม่ Sync"}</Badge></div>
+        <div className="flex flex-wrap items-center gap-2"><Badge variant="outline">Lunaris ที่ Sync: {catalogVersion ? `v${catalogVersion}` : "ยังไม่ Sync"}</Badge><Badge variant={updateAvailable ? "default" : "secondary"}>{latestCatalogVersion ? updateAvailable ? `มีอัปเดต: v${latestCatalogVersion}` : `ล่าสุด: v${latestCatalogVersion}` : "ตรวจสอบเวอร์ชันล่าสุดไม่ได้"}</Badge></div>
         <div className="flex gap-2"><Button variant="outline" disabled={pending} onClick={() => run(startCatalogSync, "Sync สำเร็จแล้ว")}>{pending ? <Spinner data-icon="inline-start" /> : <RefreshCwIcon data-icon="inline-start" />}Sync Catalog</Button><Button render={<Link href="/admin/create" />} nativeButton={false} disabled={!catalogReady}><PlusIcon data-icon="inline-start" />สร้าง Guide</Button></div>
       </div>
       {guides.length ? (
diff --git a/lib/catalog/sync.ts b/lib/catalog/sync.ts
index cba1989..fc11af3 100644
--- a/lib/catalog/sync.ts
+++ b/lib/catalog/sync.ts
@@ -114,6 +114,10 @@ function rarity(value: string | undefined): number | null {
   );
 }
 
+export async function getLatestLunarisVersion(): Promise<string> {
+  return versionSchema.parse(await getJson(VERSION_URL)).version;
+}
+
 async function mapConcurrent<T, R>(
   items: T[],
   task: (item: T) => Promise<R>,
@@ -176,8 +180,7 @@ async function uploadAssets(
 }
 
 export async function processCatalogSync(): Promise<void> {
-  const versionInfo = versionSchema.parse(await getJson(VERSION_URL));
-  const version = versionInfo.version;
+  const version = await getLatestLunarisVersion();
   const [charactersRaw, weaponsRaw, artifactsRaw] = await Promise.all([
       getJson(`${API_ROOT}/${version}/charlist.json`),
       getJson(`${API_ROOT}/${version}/weaponlist.json`),