diff --git a/package.json b/package.json
index 8e82372..717af0c 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "eslint": "^10.9.0",
     "markdownlint-cli": "^0.49.1",
     "prettier": "^3.9.6",
-    "tailwindcss": "^3.4.19",
+    "tailwindcss": "^4.3.3",
     "typescript": "^5.7.0",
     "vitepress": "^1.6.4",
     "vue-router": "^5.2.0",