diff --git a/src/main/java/org/hankki/hankkiserver/api/store/service/StoreQueryService.java b/src/main/java/org/hankki/hankkiserver/api/store/service/StoreQueryService.java
index 70656e5b..bc3756f4 100644
--- a/src/main/java/org/hankki/hankkiserver/api/store/service/StoreQueryService.java
+++ b/src/main/java/org/hankki/hankkiserver/api/store/service/StoreQueryService.java
@@ -76,6 +76,7 @@ private static boolean isLiked(final Long id, final Heart heart) {
         return heart.getUser().getId().equals(id);
     }
 
+    @Transactional(readOnly = true)
     public StoreDuplicateValidationResponse validateDuplicatedStore(final StoreDuplicateValidationRequest request) {
         Long storeId = storeFinder.findStoreWithLatitudeAndLongitude(request.latitude(), request.longitude())
                 .map(Store::getId)