diff --git a/website/package.json b/website/package.json
index 7af5bc5..b41bcb0 100644
--- a/website/package.json
+++ b/website/package.json
@@ -27,7 +27,7 @@
     "@uiw/react-github-corners": "^1.5.15",
     "@uiw/react-markdown-editor": "^6.0.0",
     "@wcj/dark-mode": "^1.0.15",
-    "css-tree": "^2.2.1",
+    "css-tree": "^3.0.0",
     "react": "~18.2.0",
     "react-dom": "~18.2.0",
     "react-hot-toast": "^2.3.0",