diff --git a/README.md b/README.md
index be997d7..61677a7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # mycobot_ros
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-7-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-8-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 [![jaywcjlove/sb](https://jaywcjlove.github.io/sb/lang/chinese.svg)](https://www.elephantrobotics.com/docs/myCobot/3-development/4-ros&moveit/)
@@ -128,6 +128,9 @@ Thanks goes to these people ([Emoji Key](https://allcontributors.org/docs/en/emo
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/dieu-detruit"><img src="https://avatars.githubusercontent.com/u/27790373?v=4?s=100" width="100px;" alt="Takafumi Watanabe"/><br /><sub><b>Takafumi Watanabe</b></sub></a><br /><a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=dieu-detruit" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/graziegrazie"><img src="https://avatars.githubusercontent.com/u/11900858?v=4?s=100" width="100px;" alt="Yoshiaki Watanabe"/><br /><sub><b>Yoshiaki Watanabe</b></sub></a><br /><a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=graziegrazie" title="Code">💻</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/mertcookimg"><img src="https://avatars.githubusercontent.com/u/58113372?v=4?s=100" width="100px;" alt="Masato Kobayashi"/><br /><sub><b>Masato Kobayashi</b></sub></a><br /><a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=mertcookimg" title="Code">💻</a></td>
+    </tr>
   </tbody>
 </table>