diff --git a/frontend/src/components/calendar/CalendarPage.tsx b/frontend/src/components/calendar/CalendarPage.tsx
index b37c481..3cec58e 100644
--- a/frontend/src/components/calendar/CalendarPage.tsx
+++ b/frontend/src/components/calendar/CalendarPage.tsx
@@ -229,9 +229,8 @@ export default function CalendarPage() {
       });
       return data;
     },
-    // AW-3: Reduce from 5s to 30s — personal organiser doesn't need 12 calls/min
-    refetchInterval: 30_000,
-    staleTime: 30_000,
+    refetchInterval: 5_000,
+    staleTime: 5_000,
   });
 
   const selectedEvent = useMemo(