diff --git a/README.md b/README.md
index 8d289a1..c6fecdb 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
 - [] add `trip_type` (id, name, desc, question) with a FK to `trip_details`
 - [] add `always_show` to `planned_trips` (e.g. for wanderfahrten)
 - [] exactly same time -> deny registration
+- [] `planned_events` -> ICS feed to be [integrated](https://icscalendar.com/shortcode-overview/) in homepage calendar
 
 # Nice to have
 - [] automatically add regular planned trip