diff --git a/apps/frontend/src/components/launches/calendar.context.tsx b/apps/frontend/src/components/launches/calendar.context.tsx
index bc3e91d3..37644028 100644
--- a/apps/frontend/src/components/launches/calendar.context.tsx
+++ b/apps/frontend/src/components/launches/calendar.context.tsx
@@ -17,6 +17,11 @@ import { useFetch } from '@gitroom/helpers/utils/custom.fetch';
 import { Post, Integration } from '@prisma/client';
 import { useRouter, useSearchParams } from 'next/navigation';
 import { isGeneral } from '@gitroom/react/helpers/is.general';
+import isoWeek from 'dayjs/plugin/isoWeek';
+import weekOfYear from 'dayjs/plugin/weekOfYear';
+
+dayjs.extend(isoWeek);
+dayjs.extend(weekOfYear);
 
 const CalendarContext = createContext({
   currentWeek: dayjs().week(),