diff --git a/package.json b/package.json
index 0252fbb..e037dba 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "astro-navbar": "^2.4.0",
     "astro-seo": "^1.1.0",
     "dayjs": "^1.11.19",
-    "tailwindcss": "^3.4.17",
+    "tailwindcss": "^4.0.0",
     "tw-elements": "^2.0.0",
     "typescript": "^5.9.3",
     "vanilla-cookieconsent": "^3.1.0"