diff --git a/.all-contributorsrc b/.all-contributorsrc
index 35b2f24c..3b913ab1 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -299,6 +299,15 @@
         "doc"
       ]
     },
+    {
+      "login": "K-dash",
+      "name": "𝕂'",
+      "avatar_url": "https://avatars.githubusercontent.com/u/51281148?v=4",
+      "profile": "https://qiita.com/inetcpl",
+      "contributions": [
+        "doc"
+      ]
+    },
   ],
   "contributorsPerLine": 7,
   "linkToUsage": true
diff --git a/README.md b/README.md
index 3c4fdb12..bc8cce1d 100644
--- a/README.md
+++ b/README.md
@@ -160,6 +160,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/JWSong"><img src="https://avatars.githubusercontent.com/u/4515331?v=4?s=60" width="60px;" alt="JWSong"/><br /><sub><b>JWSong</b></sub></a><br /><a href="https://github.com/yukinarit/pyserde/commits?author=JWSong" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://www.mechanicus.it/"><img src="https://avatars.githubusercontent.com/u/13484760?v=4?s=60" width="60px;" alt="Emanuele Barsanti"/><br /><sub><b>Emanuele Barsanti</b></sub></a><br /><a href="https://github.com/yukinarit/pyserde/commits?author=barsa-net" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://aman-clement-aranha.vercel.app/"><img src="https://avatars.githubusercontent.com/u/90409059?v=4?s=60" width="60px;" alt="Aman Clement Aranha"/><br /><sub><b>Aman Clement Aranha</b></sub></a><br /><a href="https://github.com/yukinarit/pyserde/commits?author=Aman-Clement" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://qiita.com/inetcpl"><img src="https://avatars.githubusercontent.com/u/51281148?v=4?s=60" width="60px;" alt="𝕂'"/><br /><sub><b>𝕂'</b></sub></a><br /><a href="https://github.com/yukinarit/pyserde/commits?author=K-dash" title="Documentation">📖</a></td>
     </tr>
   </tbody>
   <tfoot>