diff --git a/requirements.txt b/requirements.txt
index cd6e1a4eccb9..3a7d2f5baf7d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ lxml>=2.3
 Routes!=2.0,!=2.1,>=1.12.3;python_version=='2.7'
 Routes!=2.0,>=1.12.3;python_version!='2.7'
 cryptography>=1.0 # Apache-2.0
-WebOb<1.5.0,>=1.2.3
+WebOb>=1.2.3
 greenlet>=0.3.2
 PasteDeploy>=1.5.0
 Paste
</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://opendev.org/openstack/nova/commit/549a3d637a56da95b67c406dba5bb5c2ce29d8d5.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://opendev.org/openstack/nova/commit/549a3d637a56da95b67c406dba5bb5c2ce29d8d5.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>