diff --git a/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml b/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml
index 8ada12b7..fb67dff1 100644
--- a/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml
+++ b/codes/javatool/javatool-monitor/javatool-zipkin-spring/pom.xml
@@ -51,7 +51,7 @@
 <dependency>
 <groupid>org.apache.httpcomponents</groupid>
 <artifactid>httpclient</artifactid>
- <version>4.5.11</version>
+ <version>4.5.13</version>
 </dependency>
 
 
</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/dunwu/java-tutorial/pull/24.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/dunwu/java-tutorial/pull/24.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>