diff --git a/runtime/web/package.json b/runtime/web/package.json
index 174dd3e..3f8ae37 100644
--- a/runtime/web/package.json
+++ b/runtime/web/package.json
@@ -36,7 +36,7 @@
     "@vitejs/plugin-react": "^5.1.1",
     "autoprefixer": "^10.4.20",
     "postcss": "^8.4.49",
-    "tailwindcss": "^3.4.15",
+    "tailwindcss": "^4.3.1",
     "typescript": "~5.7.0",
     "vite": "^6.0.1",
     "vitest": "^4.1.8"