diff --git a/.all-contributorsrc b/.all-contributorsrc
index d8fb52e08..46b4c0086 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -2006,6 +2006,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "LeseChe",
+      "name": "Qixiang Chen",
+      "avatar_url": "https://avatars.githubusercontent.com/u/79553089?v=4",
+      "profile": "https://github.com/LeseChe",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 1aa533d80..a5110dbbe 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=coverage)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
 [![Join the chat at https://gitter.im/iluwatar/java-design-patterns](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/iluwatar/java-design-patterns?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-220-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-221-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 <br/>
@@ -358,6 +358,7 @@ This project is licensed under the terms of the MIT license.
       <td align="center"><a href="https://github.com/mdfaizanahmed786"><img src="https://avatars.githubusercontent.com/u/85175130?v=4?s=100" width="100px;" alt="Mohammed Faizan Ahmed"/><br /><sub><b>Mohammed Faizan Ahmed</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=mdfaizanahmed786" title="Documentation">📖</a></td>
       <td align="center"><a href="https://github.com/burno1"><img src="https://avatars.githubusercontent.com/u/39165280?v=4?s=100" width="100px;" alt="Bruno Fernandes"/><br /><sub><b>Bruno Fernandes</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=burno1" title="Code">💻</a></td>
       <td align="center"><a href="https://github.com/SammanPali"><img src="https://avatars.githubusercontent.com/u/110753804?v=4?s=100" width="100px;" alt="SammanPali"/><br /><sub><b>SammanPali</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=SammanPali" title="Documentation">📖</a></td>
+      <td align="center"><a href="https://github.com/LeseChe"><img src="https://avatars.githubusercontent.com/u/79553089?v=4?s=100" width="100px;" alt="Qixiang Chen"/><br /><sub><b>Qixiang Chen</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=LeseChe" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>