diff --git a/README.md b/README.md
index 95d159cb..cdc73974 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
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       <td align="center" valign="top" width="14.28%"><a href="https://github.com/BlackVoid"><img src="https://avatars.githubusercontent.com/u/673720?v=4?s=100" width="100px;" alt="Felix Gustavsson"/><br /><sub><b>Felix Gustavsson</b></sub></a><br /><a href="https://github.com/keycloakify/keycloakify/commits?author=BlackVoid" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://m-siemens.de/"><img src="https://avatars.githubusercontent.com/u/1873922?v=4?s=100" width="100px;" alt="Markus Siemens"/><br /><sub><b>Markus Siemens</b></sub></a><br /><a href="https://github.com/keycloakify/keycloakify/commits?author=msiemens" title="Code">💻</a></td>
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