diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 878c272c..225b9bcf 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -4,6 +4,7 @@ Changelog
 Unreleased
 ------------------------
 Fix #437: Hide the profile calendar if the module is not available for users
+Fix #441: Send event update notifcation to invitees
 
 1.5.7 (January 12, 2024)
 ------------------------
diff --git a/models/participation/CalendarEntryParticipation.php b/models/participation/CalendarEntryParticipation.php
index 3c8a30d9..31ce9f88 100644
--- a/models/participation/CalendarEntryParticipation.php
+++ b/models/participation/CalendarEntryParticipation.php
@@ -162,6 +162,7 @@ public function getParticipantEntries()
     public function sendUpdateNotification($notificationClass = EventUpdated::class)
     {
         $participants = $this->findParticipants([
+            CalendarEntryParticipant::PARTICIPATION_STATE_INVITED,
             CalendarEntryParticipant::PARTICIPATION_STATE_MAYBE,
             CalendarEntryParticipant::PARTICIPATION_STATE_ACCEPTED])->all();