diff --git a/.all-contributorsrc b/.all-contributorsrc
index 7405c0ffda..825e359714 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -445,6 +445,16 @@
         "bug",
         "code"
       ]
+    },
+    {
+      "login": "dion-w",
+      "name": "Dion Wilde",
+      "avatar_url": "https://avatars.githubusercontent.com/u/91852142?v=4",
+      "profile": "https://github.com/dion-w",
+      "contributions": [
+        "bug",
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 7a073c076c..5ae82accfe 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 [![release](https://img.shields.io/github/v/release/pybamm-team/PyBaMM?color=yellow)](https://github.com/pybamm-team/PyBaMM/releases)
 [![black code style](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-38-orange.svg)](#-contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-39-orange.svg)](#-contributors)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 </div>
@@ -191,6 +191,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/chuckliu1979"><img src="https://avatars.githubusercontent.com/u/13491954?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Chuck Liu</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/issues?q=author%3Achuckliu1979" title="Bug reports">🐛</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=chuckliu1979" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/partben"><img src="https://avatars.githubusercontent.com/u/88316576?v=4?s=100" width="100px;" alt=""/><br /><sub><b>partben</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=partben" title="Documentation">📖</a></td>
     <td align="center"><a href="https://gavinw.me"><img src="https://avatars.githubusercontent.com/u/6828967?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Gavin Wiggins</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/issues?q=author%3Awigging" title="Bug reports">🐛</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=wigging" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/dion-w"><img src="https://avatars.githubusercontent.com/u/91852142?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Dion Wilde</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/issues?q=author%3Adion-w" title="Bug reports">🐛</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=dion-w" title="Code">💻</a></td>
   </tr>
 </table>