diff --git a/src/gui/event-editor/gcal-attendees-section.blp b/src/gui/event-editor/gcal-attendees-section.blp
index 8926e2ab..c8f65c63 100644
--- a/src/gui/event-editor/gcal-attendees-section.blp
+++ b/src/gui/event-editor/gcal-attendees-section.blp
@@ -1,4 +1,5 @@
 using Gtk 4.0;
+using Adw 1;
 
 template $GcalAttendeesSection: $GcalEventEditorSection {
   $GcalOrganizerRow organizer_row {