diff --git a/20-Speech-Recognition/package-lock.json b/20-Speech-Recognition/package-lock.json
index b98e1d9..c9c3d91 100644
--- a/20-Speech-Recognition/package-lock.json
+++ b/20-Speech-Recognition/package-lock.json
@@ -3296,9 +3296,9 @@
 "dev": true
 },
 "engine.io": {
- "version": "6.2.0",
- "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.0.tgz",
- "integrity": "sha512-4KzwW3F3bk+KlzSOY57fj/Jx6LyRQ1nbcyIadehl+AnXjKT7gDO0ORdRi/84ixvMKTym6ZKuxvbzN62HDDU1Lg==",
+ "version": "6.2.1",
+ "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.1.tgz",
+ "integrity": "sha512-ECceEFcAaNRybd3lsGQKas3ZlMVjN3cyWwMP25D2i0zWfyiytVbTpRPa34qrr+FHddtpBVOmq4H/DCv1O0lZRA==",
 "dev": true,
 "requires": {
 "@types/cookie": "^0.4.1",
@@ -5852,18 +5852,6 @@
 "integrity": "sha512-r6lj77KlwqLhIUku9UWYes7KJtsczvolZkzp8hbaDPPaE24OmWl5s539Mytlj22siEQKosZ26qCBgda2PKwoJw==",
 "dev": true
 },
- "mitt": {
- "version": "1.2.0",
- "resolved": "https://registry.npmjs.org/mitt/-/mitt-1.2.0.tgz",
- "integrity": "sha512-r6lj77KlwqLhIUku9UWYes7KJtsczvolZkzp8hbaDPPaE24OmWl5s539Mytlj22siEQKosZ26qCBgda2PKwoJw==",
- "dev": true
- },
- "mitt": {
- "version": "1.2.0",
- "resolved": "https://registry.npmjs.org/mitt/-/mitt-1.2.0.tgz",
- "integrity": "sha512-r6lj77KlwqLhIUku9UWYes7KJtsczvolZkzp8hbaDPPaE24OmWl5s539Mytlj22siEQKosZ26qCBgda2PKwoJw==",
- "dev": true
- },
 "mixin-deep": {
 "version": "1.3.2",
 "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/gupta-ji6/JavaScript30/pull/26.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/gupta-ji6/JavaScript30/pull/26.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>