diff --git a/backend/emm-sale/src/main/java/com/emmsale/event_publisher/NotificationEvent.java b/backend/emm-sale/src/main/java/com/emmsale/event_publisher/NotificationEvent.java
index 762338162..e9119329a 100644
--- a/backend/emm-sale/src/main/java/com/emmsale/event_publisher/NotificationEvent.java
+++ b/backend/emm-sale/src/main/java/com/emmsale/event_publisher/NotificationEvent.java
@@ -7,7 +7,7 @@
 
 @RequiredArgsConstructor
 @Getter
-public class NotificationEvent {
+public abstract class NotificationEvent {
 
   @JsonIgnore
   private final Long receiverId;