diff --git a/package.json b/package.json
index 8f8afb0..0777f24 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,9 @@
   "version": "1.0.0",
   "private": true,
   "type": "module",
+  "engines": {
+    "node": ">=22.12.0"
+  },
   "scripts": {
     "dev": "concurrently \"vite\" \"tsx watch src/server/index.ts\"",
     "build:client": "vite build",
@@ -53,7 +56,7 @@
     "@types/react": "^19.2.5",
     "@types/react-dom": "^19.2.3",
     "@vercel/node": "^5.5.28",
-    "@vitejs/plugin-react": "^5.1.1",
+    "@vitejs/plugin-react": "^4.3.0",
     "autoprefixer": "^10.4.23",
     "concurrently": "^9.1.2",
     "eslint": "^9.39.1",
@@ -68,7 +71,7 @@
     "tsx": "^4.21.0",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.46.4",
-    "vite": "^7.2.4",
+    "vite": "^6.0.0",
     "vite-plugin-pwa": "^1.2.0"
   }
 }