diff --git a/app/vite.config.ts b/app/vite.config.ts
index da2403f..e16e0ff 100644
--- a/app/vite.config.ts
+++ b/app/vite.config.ts
@@ -5,6 +5,11 @@ export default defineConfig({
   plugins: [
     nitro({
       config: {
+        vercel: {
+          functions: {
+            runtime: 'bun1.x',
+          },
+        },
         routeRules: {
           '/': { isr: true },
           '/**': { isr: 60 },