diff --git a/.all-contributorsrc b/.all-contributorsrc
index e19403d..4d25524 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -178,6 +178,25 @@
         "bug",
         "code"
       ]
+    },
+    {
+      "login": "mgriffin-scottlogic",
+      "name": "Matthew Griffin",
+      "avatar_url": "https://avatars.githubusercontent.com/u/117279304?v=4",
+      "profile": "https://github.com/mgriffin-scottlogic",
+      "contributions": [
+        "doc",
+        "code"
+      ]
+    },
+    {
+      "login": "hanopcan",
+      "name": "Hannah",
+      "avatar_url": "https://avatars.githubusercontent.com/u/11687898?v=4",
+      "profile": "https://github.com/hanopcan",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 06faefd..0035f1d 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,7 @@
 # CO2.js
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-
-[![All Contributors](https://img.shields.io/badge/all_contributors-14-orange.svg?style=flat-square)](#contributors-)
-
+[![All Contributors](https://img.shields.io/badge/all_contributors-18-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 <img src="https://github.com/thegreenwebfoundation/co2.js/actions/workflows/unittests.yml/badge.svg" />
@@ -160,6 +158,12 @@ To contribute changes back to this project, please follow the steps outlined in
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/p-gerard"><img src="https://avatars.githubusercontent.com/u/97036756?v=4?s=100" width="100px;" alt="p-gerard"/><br /><sub><b>p-gerard</b></sub></a><br /><a href="https://github.com/thegreenwebfoundation/co2.js/issues?q=author%3Ap-gerard" title="Bug reports">🐛</a> <a href="https://github.com/thegreenwebfoundation/co2.js/commits?author=p-gerard" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/sfishel18"><img src="https://avatars.githubusercontent.com/u/294695?v=4?s=100" width="100px;" alt="Simon Fishel"/><br /><sub><b>Simon Fishel</b></sub></a><br /><a href="https://github.com/thegreenwebfoundation/co2.js/commits?author=sfishel18" title="Code">💻</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/dsubject"><img src="https://avatars.githubusercontent.com/u/33845418?s=64&v=4?s=100" width="100px;" alt="Dani Subject"/><br /><sub><b>Dani Subject</b></sub></a><br /><a href="https://github.com/thegreenwebfoundation/co2.js/commits?author=dsubject" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Malay-dev"><img src="https://avatars.githubusercontent.com/u/91375797?s=64&v=4?s=100" width="100px;" alt="Malay Kumar"/><br /><sub><b>Malay Kumar</b></sub></a><br /><a href="https://github.com/thegreenwebfoundation/co2.js/commits?author=Malay-dev" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/samuelIkoli"><img src="https://avatars.githubusercontent.com/u/98848723?v=4?s=100" width="100px;" alt="Samuel Ikoli"/><br /><sub><b>Samuel Ikoli</b></sub></a><br /><a href="https://github.com/thegreenwebfoundation/co2.js/commits?author=samuelIkoli" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/APJohns"><img src="https://avatars.githubusercontent.com/u/18357173?v=4?s=100" width="100px;" alt="Ash Johns"/><br /><sub><b>Ash Johns</b></sub></a><br /><a href="https://github.com/thegreenwebfoundation/co2.js/issues?q=author%3AAPJohns" title="Bug reports">🐛</a> <a href="https://github.com/thegreenwebfoundation/co2.js/commits?author=APJohns" title="Code">💻</a></td>
+    </tr>
   </tbody>
 </table>