diff --git a/web/package.json b/web/package.json
index 5e23ebc4..94981215 100644
--- a/web/package.json
+++ b/web/package.json
@@ -23,7 +23,7 @@
     "postcss": "^8.5.15",
     "svelte": "^5.1.9",
     "svelte-check": "^4.4.8",
-    "tailwindcss": "^3.4.14",
+    "tailwindcss": "^4.0.0",
     "typescript": "^5.6.3",
     "vite": "^8.0.0",
     "vitest": "^5.0.0"