diff --git a/packages/react-app/package.json b/packages/react-app/package.json
index 4caff27..17bc424 100644
--- a/packages/react-app/package.json
+++ b/packages/react-app/package.json
@@ -39,7 +39,7 @@
     "eslint": "^9.13.0",
     "eslint-config-next": "^15.0.1",
     "postcss": "^8.4.47",
-    "tailwindcss": "^3.4.14",
+    "tailwindcss": "^4.0.0",
     "typescript": "^5.6.3"
   },
   "browser": {