diff --git a/app.json b/app.json
index 4da2c8a..7155f01 100644
--- a/app.json
+++ b/app.json
@@ -17,6 +17,7 @@
     "editor:toggle-bullet-list",
     "editor:indent-list",
     "editor:unindent-list",
+    "editor:insert-footnote",
     "editor:configure-toolbar"
   ],
   "promptDelete": true,