diff --git a/domain/exposure-domain/src/main/java/woowa/team4/bff/exposure/service/RestaurantExposureListService.java b/domain/exposure-domain/src/main/java/woowa/team4/bff/exposure/service/RestaurantExposureListService.java
index 68f8aaa..b9b4ba3 100644
--- a/domain/exposure-domain/src/main/java/woowa/team4/bff/exposure/service/RestaurantExposureListService.java
+++ b/domain/exposure-domain/src/main/java/woowa/team4/bff/exposure/service/RestaurantExposureListService.java
@@ -43,7 +43,7 @@ public List<ExposureRestaurantSummary> search(SearchCommand command) {
         List<Long> restaurantIds = searchResponse.getIds();
         log.info("[search] restaurantIds: {}", restaurantIds);
         // 비동기 호출
-        cacheApiCaller.sendAsyncMono(new RankingRequest(command.keyword()));
+        cacheApiCaller.sendAsyncMono(new RankingRequest(command.keyword())).subscribe();
         List<ExternalApiResult> externalApiResults = getExternalResult(restaurantIds,
                 command.keyword())
                 .stream()