diff --git a/TODO b/TODO
index 4d18b9aebd..9a14595058 100644
--- a/TODO
+++ b/TODO
@@ -40,6 +40,8 @@ Features:
   may be used to mark a whole binary as non-coredumpable. Would fix:
   https://bugs.freedesktop.org/show_bug.cgi?id=69447
 
+* teach parse_timestamp() timezones like the calendar spec already knows it
+
 * beef up hibernation to optionally do swapon/swapoff immediately before/after
   the hibernation