diff --git a/README.md b/README.md
index cffb0b1..284705c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # pvnet_app
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-3-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-4-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 Application to run [PVNet](https://github.com/openclimatefix/PVNet) and (optionally) [PVNet summation](https://github.com/openclimatefix/PVNet-summation) in production environment.
@@ -18,6 +18,7 @@ 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/DubraskaS"><img src="https://avatars.githubusercontent.com/u/87884444?v=4?s=100" width="100px;" alt="Dubraska Solórzano"/><br /><sub><b>Dubraska Solórzano</b></sub></a><br /><a href="https://github.com/openclimatefix/pvnet_app/commits?author=DubraskaS" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/dfulu"><img src="https://avatars.githubusercontent.com/u/41546094?v=4?s=100" width="100px;" alt="James Fulton"/><br /><sub><b>James Fulton</b></sub></a><br /><a href="https://github.com/openclimatefix/pvnet_app/commits?author=dfulu" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/zakwatts"><img src="https://avatars.githubusercontent.com/u/47150349?v=4?s=100" width="100px;" alt="Megawattz"/><br /><sub><b>Megawattz</b></sub></a><br /><a href="https://github.com/openclimatefix/pvnet_app/commits?author=zakwatts" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/peterdudfield"><img src="https://avatars.githubusercontent.com/u/34686298?v=4?s=100" width="100px;" alt="Peter Dudfield"/><br /><sub><b>Peter Dudfield</b></sub></a><br /><a href="https://github.com/openclimatefix/pvnet_app/commits?author=peterdudfield" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>