diff --git a/lib/index.js b/lib/index.js
index 88d996a..8b906dc 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,17 +1,12 @@
 /**
- * @typedef {import('hast').Root} Root
- * @typedef {import('hast').Content} Content
- */
-
-/**
- * @typedef {Root | Content} Node
+ * @typedef {import('hast').Nodes} Nodes
  */
 
 // To do next major: return `undefined`.
 /**
  * Get the rank (`1` to `6`) of headings (`h1` to `h6`).
  *
- * @param {Node} node
+ * @param {Nodes} node
  *   Node to check.
  * @returns {number | null}
  *   Rank of the heading or `null` if not a heading.
diff --git a/package.json b/package.json
index b62b819..28b5255 100644
--- a/package.json
+++ b/package.json
@@ -35,12 +35,12 @@
     "index.js"
   ],
   "dependencies": {
-    "@types/hast": "^2.0.0"
+    "@types/hast": "^3.0.0"
   },
   "devDependencies": {
     "@types/node": "^20.0.0",
     "c8": "^8.0.0",
-    "hastscript": "^7.0.0",
+    "hastscript": "^8.0.0",
     "prettier": "^3.0.0",
     "remark-cli": "^11.0.0",
     "remark-preset-wooorm": "^9.0.0",