diff --git a/package.json b/package.json
index 342f6ce..69c429d 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@astrojs/tailwind": "^5.1.5",
     "astro": "^5.16.6",
     "sass": "^1.97.3",
-    "tailwindcss": "^3.4.17"
+    "tailwindcss": "^4.0.0"
   },
   "devDependencies": {
     "prettier": "^3.8.1",