diff --git a/src/app/api/gathering/applyHandler/route.ts b/src/app/api/gathering/apply/route.ts
similarity index 61%
rename from src/app/api/gathering/applyHandler/route.ts
rename to src/app/api/gathering/apply/route.ts
index 0abe4913..7c9ce7e7 100644
--- a/src/app/api/gathering/applyHandler/route.ts
+++ b/src/app/api/gathering/apply/route.ts
@@ -9,8 +9,6 @@ export async function POST(
     const url = new URL(request.url);
     const id = url.searchParams.get("id");
 
-
-    // Back-end API 호출
     const response = await fetch(
       `${process.env.BACKEND_URL}/api/gatherings/applicants/${id}`,
       {
@@ -37,44 +35,42 @@ export async function POST(
   }
 }
 
-// export async function PUT(
-//   request: NextRequest,
-//   { params }: { params: { id: string } },
-// ) {
-//   try {
-//     const cookie = request.cookies.get("access_token");
+export async function PUT(
+  request: NextRequest,
+) {
+  try {
+    const cookie = request.cookies.get("access_token");
+    const data = await request.json();
 
-//     // Back-end API 호출
-//     const response = await fetch(
-//       `${process.env.BACKEND_URL}/api/gatherings/applicants/${params.id}`,
-//       {
-//         method: "PUT",
-//         headers: {
-//           Cookie: `${cookie?.name}=${cookie?.value}`,
-//           "Content-Type": "application/json",
-//         },
-//         cache: "no-store",
-//       },
-//     );
+    const response = await fetch(
+      `${process.env.BACKEND_URL}/api/gatherings/applicants/${data.applyId}`,
+      {
+        method: "PUT",
+        headers: {
+          Cookie: `${cookie?.name}=${cookie?.value}`,
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+          userId: data.userId,
+          gatheringStatus: data.gatheringStatus,
+        }),
+        cache: "no-store",
+      },
+    );
 
-//     if (!response.ok) {
-//       throw new Error(response.statusText);
-//     }
-//     await revalidatePath(`/gathering/${params.id}`);
-//     // return NextResponse.redirect(
-//     //   new URL(`/getGathering/${params.id}`),
-//     // );
-    
-//     return response;
-//   } catch (e) {
-//     return new Response(JSON.stringify({ error: "Failed to update data." }), {
-//       status: 500,
-//       headers: {
-//         "Content-Type": "application/json",
-//       },
-//     });
-//   }
-// }
+    if (!response.ok) {
+      throw new Error(response.statusText);
+    }
+    return response;
+  } catch (e) {
+    return new Response(JSON.stringify({ error: "Failed to update data." }), {
+      status: 500,
+      headers: {
+        "Content-Type": "application/json",
+      },
+    });
+  }
+}
 
 //  * 모임 글 삭제
 export async function DELETE(
diff --git a/src/containers/gathering/GatheringSupportManagementContainer.tsx b/src/containers/gathering/GatheringSupportManagementContainer.tsx
index 3da87b35..609bcd25 100644
--- a/src/containers/gathering/GatheringSupportManagementContainer.tsx
+++ b/src/containers/gathering/GatheringSupportManagementContainer.tsx
@@ -12,13 +12,13 @@ const GatheringSupportManagementContainer = ({
     const params = useParams();
     
     const applyGathering = async () => {
-        const res = await fetch(`/api/gathering/applyHandler?id=${params.id}`, {
+        const res = await fetch(`/api/gathering/apply?id=${params.id}`, {
             method: "POST"
         })
     }
 
     const cancelGathering = async () => {
-        const res = await fetch(`/api/gathering/applyHandler?id=${params.id}`, {
+        const res = await fetch(`/api/gathering/apply?id=${params.id}`, {
           method: "DELETE",
         });
     }