diff --git a/package.json b/package.json
index a2a3ca7..30b083d 100644
--- a/package.json
+++ b/package.json
@@ -2,14 +2,16 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build",
+    "start": "serve -s dist",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "devDependencies": {
+    "@emotion/react": "^11.4.1",
+    "@emotion/styled": "^11.3.0",
+    "@types/react-dom": "^17.0.9",
     "serve": "^12.0.0",
     "typescript": "^4.4.2",
-    "vite": "^2.5.3",
-    "@emotion/react": "^11.4.1",
-    "@emotion/styled": "^11.3.0"
+    "vite": "^2.5.3"
   },
   "dependencies": {
     "@mui/icons-material": "^5.0.3",