diff --git a/apps.json b/apps.json
index e5aac108..ca10c6b3 100644
--- a/apps.json
+++ b/apps.json
@@ -1030,7 +1030,7 @@
     },
     "mattermost": {
         "branch": "master",
-        "level": 0,
+        "level": 4,
         "revision": "HEAD",
         "state": "working",
         "url": "https://github.com/YunoHost-Apps/mattermost_ynh"