diff --git a/package.json b/package.json
index c2be83e..7163c3a 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
 "babel-preset-es2015": "^6.18.0",
 "babel-preset-stage-0": "^6.16.0",
 "coveralls": "^2.11.15",
- "jest": "^20.0.1",
+ "jest": "^21.0.0",
 "jest-each": "0.2.0"
 },
 "babel": {
</div><div class="naked_ctrl">
<form action="/index.cgi/larger-text" 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/mattphillips/deep-object-diff/pull/18.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/mattphillips/deep-object-diff/pull/18.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">配色反転</option>
<option value="larger-text" selected="selected">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>