diff --git a/.all-contributorsrc b/.all-contributorsrc
index 638c9fb0b..829533d19 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -1577,6 +1577,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "pnngocdoan",
+      "name": "Ngoc Doan",
+      "avatar_url": "https://avatars.githubusercontent.com/u/113954980?v=4",
+      "profile": "https://github.com/pnngocdoan",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "repoType": "github",
diff --git a/README.md b/README.md
index aa738bb01..1f8667ed3 100644
--- a/README.md
+++ b/README.md
@@ -304,6 +304,7 @@ _Note: due to GitHub's limitations, this repository's [Contributors](https://git
       <td align="center" valign="top" width="16.66%"><a href="https://github.com/Vaivaswat2244"><img src="https://avatars.githubusercontent.com/u/113991324?v=4?s=120" width="120px;" alt="Vaivaswat Dubey"/><br /><sub><b>Vaivaswat Dubey</b></sub></a><br /><a href="https://github.com/processing/processing4/commits?author=Vaivaswat2244" title="Code">💻</a></td>
       <td align="center" valign="top" width="16.66%"><a href="https://www.cbi-games.org"><img src="https://avatars.githubusercontent.com/u/37940266?v=4?s=120" width="120px;" alt="jSdCool"/><br /><sub><b>jSdCool</b></sub></a><br /><a href="https://github.com/processing/processing4/commits?author=jSdCool" title="Code">💻</a> <a href="https://github.com/processing/processing4/commits?author=jSdCool" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="16.66%"><a href="https://github.com/AhmedMagedC"><img src="https://avatars.githubusercontent.com/u/111961041?v=4?s=120" width="120px;" alt="AhmedMaged"/><br /><sub><b>AhmedMaged</b></sub></a><br /><a href="https://github.com/processing/processing4/commits?author=AhmedMagedC" title="Code">💻</a></td>
+      <td align="center" valign="top" width="16.66%"><a href="https://github.com/pnngocdoan"><img src="https://avatars.githubusercontent.com/u/113954980?v=4?s=120" width="120px;" alt="Ngoc Doan"/><br /><sub><b>Ngoc Doan</b></sub></a><br /><a href="https://github.com/processing/processing4/commits?author=pnngocdoan" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>