diff --git a/services/caddy.json b/services/caddy.json
index ddf11ac..d9822c1 100644
--- a/services/caddy.json
+++ b/services/caddy.json
@@ -103,6 +103,12 @@
         "button": "btn-primary",
         "link": "https://cloud.wiai.de/",
         "name": "Cloud"
+      },
+	        {
+        "image": "pictures/mattermost.png",
+        "button": "btn-primary",
+        "link": "https://chat.wiai.de/",
+        "name": "Mattermost"
       }
     ]
   },
diff --git a/services/pictures/mattermost.png b/services/pictures/mattermost.png
new file mode 100644
index 0000000..ec758b4
Binary files /dev/null and b/services/pictures/mattermost.png differ