diff --git a/src/app/group/[groupId]/actions.ts b/src/app/group/[groupId]/actions.ts
new file mode 100644
index 00000000..7826427d
--- /dev/null
+++ b/src/app/group/[groupId]/actions.ts
@@ -0,0 +1,9 @@
+'use server';
+
+import { revalidatePath } from 'next/cache';
+
+export const revalidateGroupAction = async (groupId: string) => {
+  // 모임 취소 (useDeleteGroup) Mutation 이후 해당 groupId의 상세 페이지의 RSC 캐싱을 무효 처리함.
+  // RSC 캐싱을 무효화 해야만, History Back을 통해 재진입하더라도 RSC의 캐싱 데이터를 보여주지 않음.
+  revalidatePath(`/group/${groupId}`);
+};
diff --git a/src/components/pages/group/group-modal/index.tsx b/src/components/pages/group/group-modal/index.tsx
index e10b9ae6..93ef49a6 100644
--- a/src/components/pages/group/group-modal/index.tsx
+++ b/src/components/pages/group/group-modal/index.tsx
@@ -2,6 +2,7 @@
 
 import { useParams, useRouter } from 'next/navigation';
 
+import { revalidateGroupAction } from '@/app/group/[groupId]/actions';
 import { GroupModalApprovalContent } from '@/components/pages/group/group-modal/approval-content';
 import { GroupModalCommonContent } from '@/components/pages/group/group-modal/common-content';
 import { Toast } from '@/components/ui';
@@ -32,8 +33,8 @@ type Props = BaseProps | KickProps;
 export const GroupModal = (props: Props) => {
   const { type } = props;
 
-  const { replace } = useRouter();
   const { groupId } = useParams() as { groupId: string };
+  const { replace } = useRouter();
   const { run } = useToast();
 
   const { mutateAsync: attendMutate, isPending: isAttending } = useAttendGroup({ groupId });
@@ -60,6 +61,7 @@ export const GroupModal = (props: Props) => {
     leave: () => leaveMutate(),
     delete: async () => {
       await deleteMutate();
+      await revalidateGroupAction(groupId);
       replace('/');
     },
     kick: () => kickMutate(),