diff --git a/TODO b/TODO
index 362591a2c6..3005289dd8 100644
--- a/TODO
+++ b/TODO
@@ -120,6 +120,7 @@ Features:
   - longer term:
     * priority queues
     * priority inheritance
+  - check sender of response messages
   - dbus spec updates:
        - kdbus mapping
        - NameLost/NameAcquired obsolete