diff --git a/Sources/CalendarService.swift b/Sources/CalendarService.swift
index bddef8a..0f5cbf4 100644
--- a/Sources/CalendarService.swift
+++ b/Sources/CalendarService.swift
@@ -12,6 +12,27 @@ class CalendarService: ObservableObject {
         Task {
             await requestAccess()
         }
+        setupNotificationObserver()
+    }
+
+    deinit {
+        NotificationCenter.default.removeObserver(self)
+    }
+
+    private func setupNotificationObserver() {
+        NotificationCenter.default.addObserver(
+            forName: .EKEventStoreChanged,
+            object: eventStore,
+            queue: .main
+        ) { [weak self] _ in
+            self?.handleEventStoreChanged()
+        }
+    }
+
+    @MainActor
+    private func handleEventStoreChanged() {
+        loadCalendars()
+        loadEvents()
     }
 
     @MainActor