diff --git a/backend/emm-sale/src/main/java/com/emmsale/notification/application/NotificationQueryService.java b/backend/emm-sale/src/main/java/com/emmsale/notification/application/NotificationQueryService.java
index ad5eb85d1..122e56f9f 100644
--- a/backend/emm-sale/src/main/java/com/emmsale/notification/application/NotificationQueryService.java
+++ b/backend/emm-sale/src/main/java/com/emmsale/notification/application/NotificationQueryService.java
@@ -10,9 +10,11 @@
 import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service
 @RequiredArgsConstructor
+@Transactional(readOnly = true)
 public class NotificationQueryService {
 
   private final NotificationRepository notificationRepository;