diff --git a/community.json b/community.json
index 40442828..4ec735c1 100644
--- a/community.json
+++ b/community.json
@@ -468,6 +468,13 @@
         "state": "inprogress",
         "url": "https://github.com/alexAubin/mailman_ynh"
     },
+    "mastodon": {
+        "branch": "master",
+        "level": 3,
+        "revision": "fc08bdd80cdd18f6f5e03ef2382cc95d48809ae2",
+        "state": "inprogress",
+        "url": "https://github.com/YunoHost-Apps/mastodon_ynh"
+    },
     "mattermost": {
         "branch": "master",
         "level": 3,