diff --git a/lib/index.js b/lib/index.js
index 414a534..eb50216 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -84,7 +84,6 @@
 import {unreachable} from 'devlop'
 import {toJsxRuntime} from 'hast-util-to-jsx-runtime'
 import {urlAttributes} from 'html-url-attributes'
-// @ts-expect-error: untyped.
 import {Fragment, jsx, jsxs} from 'react/jsx-runtime'
 import remarkParse from 'remark-parse'
 import remarkRehype from 'remark-rehype'
@@ -226,7 +225,9 @@ export function Markdown(options) {
     Fragment,
     components,
     ignoreInvalidStyle: true,
+    // @ts-expect-error: to do: types.
     jsx,
+    // @ts-expect-error: to do: types.
     jsxs,
     passKeys: true,
     passNode: true
@@ -266,8 +267,8 @@ export function Markdown(options) {
       let remove = allowedElements
         ? !allowedElements.includes(node.tagName)
         : disallowedElements
-        ? disallowedElements.includes(node.tagName)
-        : false
+          ? disallowedElements.includes(node.tagName)
+          : false
 
       if (!remove && allowElement && typeof index === 'number') {
         remove = !allowElement(node, index, parent)
diff --git a/package.json b/package.json
index 8edcf1c..636e560 100644
--- a/package.json
+++ b/package.json
@@ -95,8 +95,8 @@
     "@types/node": "^20.0.0",
     "@types/react": "^18.0.0",
     "@types/react-dom": "^18.0.0",
-    "c8": "^8.0.0",
-    "esbuild": "^0.19.0",
+    "c8": "^9.0.0",
+    "esbuild": "^0.20.0",
     "eslint-plugin-react": "^7.0.0",
     "prettier": "^3.0.0",
     "react": "^18.0.0",
@@ -108,7 +108,7 @@
     "remark-toc": "^9.0.0",
     "type-coverage": "^2.0.0",
     "typescript": "^5.0.0",
-    "xo": "^0.56.0"
+    "xo": "^0.58.0"
   },
   "scripts": {
     "build": "tsc --build --clean && tsc --build && type-coverage",
@@ -169,7 +169,8 @@
     "prettier": true,
     "rules": {
       "complexity": "off",
-      "n/file-extension-in-import": "off"
+      "n/file-extension-in-import": "off",
+      "unicorn/prevent-abbreviations": "off"
     }
   }
 }