diff --git a/backend-java/src/main/java/com/tasteby/service/ReviewService.java b/backend-java/src/main/java/com/tasteby/service/ReviewService.java
index ada2a90..74ec3ba 100644
--- a/backend-java/src/main/java/com/tasteby/service/ReviewService.java
+++ b/backend-java/src/main/java/com/tasteby/service/ReviewService.java
@@ -38,11 +38,13 @@ public class ReviewService {
         return mapper.findById(id);
     }
 
+    @Transactional   // #334 — 단일 SQL이지만 어노테이션 일관성
     public boolean update(String reviewId, String userId, Double rating, String reviewText, LocalDate visitedAt) {
         String visitedStr = visitedAt != null ? visitedAt.toString() : null;
         return mapper.updateReview(reviewId, userId, rating, reviewText, visitedStr) > 0;
     }
 
+    @Transactional   // #334 — 단일 SQL이지만 어노테이션 일관성
     public boolean delete(String reviewId, String userId) {
         return mapper.deleteReview(reviewId, userId) > 0;
     }