diff --git a/.vscode/.debug.script.mjs b/.vscode/.debug.script.mjs
index 8091ced..cbc3357 100644
--- a/.vscode/.debug.script.mjs
+++ b/.vscode/.debug.script.mjs
@@ -12,8 +12,12 @@ const pkg = require('../package.json')
 const envContent = Object.entries(pkg.env).map(([key, val]) => `${key}=${val}`)
 fs.writeFileSync(path.join(__dirname, '.debug.env'), envContent.join('\n'))
 
+// for debug
+fs.writeFileSync(path.join(__dirname, '../node_modules/.electron-vite-debug'), '')
+
 // bootstrap
 spawn(
+  // TODO: terminate `npm run dev` when Debug exits.
   process.platform === 'win32' ? 'npm.cmd' : 'npm',
   ['run', 'dev'],
   { stdio: 'inherit' },
diff --git a/electron/electron-env.d.ts b/electron/electron-env.d.ts
index 7d79242..6acc9e1 100644
--- a/electron/electron-env.d.ts
+++ b/electron/electron-env.d.ts
@@ -1,7 +1 @@
-declare namespace NodeJS {
-  interface ProcessEnv {
-    NODE_ENV: 'development' | 'production'
-    readonly VITE_DEV_SERVER_HOST: string
-    readonly VITE_DEV_SERVER_PORT: string
-  }
-}
+/// <reference types="vite-plugin-electron/electron-env" />
\ No newline at end of file
diff --git a/package.json b/package.json
index 723013e..48e2ed6 100644
--- a/package.json
+++ b/package.json
@@ -14,21 +14,19 @@
   "engines": {
     "node": ">=14.17.0"
   },
-  "dependencies": {
-    "electron-store": "^8.0.2"
-  },
+  "dependencies": {},
   "devDependencies": {
     "@types/react": "^18.0.15",
     "@types/react-dom": "^18.0.6",
-    "@vitejs/plugin-react": "^1.3.2",
-    "electron": "^19.0.8",
+    "@vitejs/plugin-react": "^2.0.0",
+    "electron": "^19.0.9",
     "electron-builder": "^23.1.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "sass": "^1.53.0",
     "typescript": "^4.7.4",
-    "vite": "^2.9.14",
-    "vite-plugin-electron": "^0.8.0"
+    "vite": "^3.0.2",
+    "vite-plugin-electron": "^0.8.1"
   },
   "env": {
     "VITE_DEV_SERVER_HOST": "127.0.0.1",
diff --git a/vite.config.ts b/vite.config.ts
index 3c8855d..a89efae 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,6 +1,6 @@
-import { rmSync } from 'fs'
+import { existsSync, rmSync } from 'fs'
 import { join } from 'path'
-import { defineConfig } from 'vite'
+import { defineConfig, UserConfig, Plugin } from 'vite'
 import react from '@vitejs/plugin-react'
 import electron from 'vite-plugin-electron'
 import pkg from './package.json'
@@ -20,12 +20,11 @@ export default defineConfig({
     electron({
       main: {
         entry: 'electron/main/index.ts',
-        vite: {
+        vite: withDebug({
           build: {
-            sourcemap: false,
             outDir: 'dist/electron/main',
           },
-        },
+        }),
       },
       preload: {
         input: {
@@ -49,3 +48,23 @@ export default defineConfig({
     port: pkg.env.VITE_DEV_SERVER_PORT,
   },
 })
+
+function withDebug(config: UserConfig): UserConfig {
+  const debugFile = join(__dirname, 'node_modules/.electron-vite-debug')
+  const isDebug = existsSync(debugFile)
+
+  if (isDebug) {
+    config.build.sourcemap = true
+    config.plugins = (config.plugins || []).concat({
+      name: 'electron-vite-debug',
+      configResolved(config) {
+        // TODO: when the next version of `vite-plugine-electron` is released, use the config hook.
+        const index = config.plugins.findIndex(p => p.name === 'electron-main-watcher');
+        (config.plugins as Plugin[]).splice(index, 1)
+        rmSync(debugFile)
+      },
+    })
+  }
+
+  return config
+}