diff --git a/package.json b/package.json
index 073df43..e5de441 100644
--- a/package.json
+++ b/package.json
@@ -2,14 +2,15 @@
   "name": "vite-react-typescript-starter",
   "private": true,
   "version": "0.0.0",
+  "type": "module",
   "scripts": {
     "dev": "concurrently \"npm:dev:frontend\" \"npm:dev:backend\"",
     "dev:frontend": "vite",
-    "dev:backend": "ts-node server.ts",
+    "dev:backend": "node --loader ts-node/esm server.mts",
     "build": "npm run build:frontend && npm run build:backend",
     "build:frontend": "vite build",
-    "build:backend": "tsc --project tsconfig.server.json",
-    "start": "node dist-server/server.js",
+    "build:backend": "tsc --project tsconfig.server.json && echo '{\"type\": \"module\"}' > dist-server/package.json",
+    "start": "node dist-server/server.mjs",
     "lint": "eslint .",
     "preview": "vite preview"
   },
@@ -52,4 +53,4 @@
     "typescript-eslint": "^8.3.0",
     "vite": "^5.4.2"
   }
-}
+}
\ No newline at end of file
diff --git a/server.ts b/server.mts
similarity index 98%
rename from server.ts
rename to server.mts
index 6d24a8c..cf2a88b 100644
--- a/server.ts
+++ b/server.mts
@@ -1,5 +1,5 @@
-const express = require('express');
-const { GoogleGenAI } = require('@google/genai');
+import express from 'express';
+import { GoogleGenAI } from '@google/genai';
 import type { Request, Response } from 'express';
 
 const app = express();
diff --git a/tsconfig.server.json b/tsconfig.server.json
index 05706e6..be3a788 100644
--- a/tsconfig.server.json
+++ b/tsconfig.server.json
@@ -1,13 +1,13 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "module": "CommonJS",
-    "moduleResolution": "node",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "outDir": "dist-server",
     "noEmit": false,
     "isolatedModules": false,
     "resolveJsonModule": true
   },
-  "include": ["server.ts"],
+  "include": ["server.mts"],
   "exclude": ["src", "node_modules"]
 }
\ No newline at end of file