diff --git a/package.json b/package.json
index 5fe09cf..a26720f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.62.0",
+  "version": "1.62.1",
   "description": "A web-based weekly task management application that organizes to-dos and calendar events in a single, intuitive weekly view",
   "main": "index.js",
   "scripts": {
diff --git a/src/lib/outlook-calendar.ts b/src/lib/outlook-calendar.ts
index 946f370..ff87bd9 100644
--- a/src/lib/outlook-calendar.ts
+++ b/src/lib/outlook-calendar.ts
@@ -324,7 +324,7 @@ export const updateEvent = async (
     eventId: string,
     event: any
 ) => {
-    const response = await fetch(`${GRAPH_ENDPOINT}/me/events/${encodeURIComponent(eventId)}`, {
+    const response = await fetch(`${GRAPH_ENDPOINT}/me/calendars/${encodeURIComponent(calendarId)}/events/${encodeURIComponent(eventId)}`, {
         method: 'PATCH',
         headers: {
             'Authorization': `Bearer ${accessToken}`,
@@ -387,7 +387,7 @@ export const deleteEvent = async (
     calendarId: string,
     eventId: string
 ) => {
-    const response = await fetch(`${GRAPH_ENDPOINT}/me/events/${encodeURIComponent(eventId)}`, {
+    const response = await fetch(`${GRAPH_ENDPOINT}/me/calendars/${encodeURIComponent(calendarId)}/events/${encodeURIComponent(eventId)}`, {
         method: 'DELETE',
         headers: {
             'Authorization': `Bearer ${accessToken}`