diff --git a/README.md b/README.md
index 58d396f5..1e23027c 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,8 @@
     <a href="https://codecov.io/gh/kevinpapst/kimai2"><img alt="Code Coverage" src="https://codecov.io/gh/kevinpapst/kimai2/branch/master/graph/badge.svg"></a>
     <a href="https://packagist.org/packages/kevinpapst/kimai2"><img alt="Latest stable version" src="https://poser.pugx.org/kevinpapst/kimai2/v/stable"></a>
     <a href="https://packagist.org/packages/kevinpapst/kimai2"><img alt="License" src="https://poser.pugx.org/kevinpapst/kimai2/license"></a>
-    <a href="https://twitter.com/kimai_org"><img alt="Twitter" src="https://img.shields.io/badge/follow-%40kimai__org-00acee"></a>
+    <a href="https://twitter.com/kimai_org" rel="me"><img alt="Twitter" src="https://img.shields.io/badge/follow-%40kimai__org-00acee"></a>
+    <a href="https://phpc.social/@kimai" rel="me"><img alt="Mastodon" src="https://img.shields.io/badge/toot-%40kimai-8c8dff"></a>
 </p>
 
 <h1 align="center">Kimai - time-tracker</h1>