diff --git a/package.json b/package.json
index 9993313..3913ec0 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   },
   "scripts": {
     "dev": "vitepress dev docs",
-    "start": "vitepress serve docs --port 5000",
+    "start": "vitepress serve docs --port $PORT",
     "build": "vitepress build docs && cp -r ./docs/assets/* ./docs/.vitepress/dist/assets/",
     "build:package": "vite build",
     "build:types": "vue-tsc --declaration --emitDeclarationOnly",