diff --git a/package.json b/package.json
index 8cb054d..b09eca1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.74.5",
+  "version": "1.74.6",
   "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/components/WeeklyView.tsx b/src/components/WeeklyView.tsx
index 0ee69d2..4351399 100644
--- a/src/components/WeeklyView.tsx
+++ b/src/components/WeeklyView.tsx
@@ -2563,7 +2563,16 @@ export default function WeeklyView() {
     const workingHoursEnd = endHour;
 
     // Fetch calendar events
-    const fetchCalendarEvents = useCallback(async (forceRefresh = false) => {
+    // Find connectionId for a given calendarId
+    const getConnectionIdForCalendar = useCallback((calId?: string) => {
+        if (!calId) return undefined;
+        const conn = connections.find((c: any) =>
+            (c.calendars || []).some((cal: any) => cal.id === calId)
+        );
+        return conn?.id;
+    }, [connections]);
+
+    const fetchCalendarEvents = useCallback(async (forceRefresh = false, connectionId?: string) => {
         startSync();
         setIsFetchingCalendar(true);
         try {
@@ -2578,6 +2587,7 @@ export default function WeeklyView() {
                         currentWeekStart.getTime() + 14 * 24 * 60 * 60 * 1000,
                     ).toISOString(),
                     forceRefresh,
+                    ...(connectionId ? { connectionId } : {}),
                 }),
             });
 
@@ -2689,8 +2699,9 @@ export default function WeeklyView() {
                     return [...prev, frontendEvent];
                 });
             }
-            // Force refresh to get canonical state from providers
-            await fetchCalendarEvents(true);
+            // Force refresh only the affected provider
+            const connId = getConnectionIdForCalendar(eventData.calendarId);
+            await fetchCalendarEvents(true, connId);
         } catch (error: any) {
             console.error("Error saving event:", error);
             if (error.name === "AbortError") {
@@ -2756,8 +2767,9 @@ export default function WeeklyView() {
                     e.id !== eventId && e.recurringEventId !== seriesId && e.id !== seriesId
                 ));
             }
-            // Force refresh to get canonical state from providers
-            await fetchCalendarEvents(true);
+            // Force refresh only the affected provider
+            const connId = getConnectionIdForCalendar(calendarId);
+            await fetchCalendarEvents(true, connId);
         } catch (error) {
             console.error("Error deleting event:", error);
             throw error;