diff --git a/build.gradle b/build.gradle
index 6e4c051..34f6bc4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,7 +69,7 @@ dependencies {
 	implementation("software.amazon.awssdk:s3:2.21.0")
 
 	// Firebase
-	implementation 'com.google.firebase:firebase-admin:9.2.0'
+	implementation 'com.google.firebase:firebase-admin:9.3.0'
 
 	// Logback Discord Appender
 	implementation('com.github.napstr:logback-discord-appender:1.0.0')
diff --git a/src/main/java/org/kkumulkkum/server/advice/GlobalExceptionHandler.java b/src/main/java/org/kkumulkkum/server/advice/GlobalExceptionHandler.java
index 7bcbbcc..15329b2 100644
--- a/src/main/java/org/kkumulkkum/server/advice/GlobalExceptionHandler.java
+++ b/src/main/java/org/kkumulkkum/server/advice/GlobalExceptionHandler.java
@@ -4,6 +4,7 @@
 import org.kkumulkkum.server.exception.*;
 import org.kkumulkkum.server.exception.code.*;
 import org.springframework.http.ResponseEntity;
+import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.MissingRequestHeaderException;
@@ -109,7 +110,11 @@ public ResponseEntity<BusinessErrorCode> handleNoPageFoundException(HttpRequestM
                 .body(BusinessErrorCode.METHOD_NOT_ALLOWED);
     }
 
-    @ExceptionHandler(value = {HandlerMethodValidationException.class, MethodArgumentNotValidException.class})
+    @ExceptionHandler(value = {
+            HandlerMethodValidationException.class,
+            MethodArgumentNotValidException.class,
+            HttpMessageNotReadableException.class
+    })
     public ResponseEntity<BusinessErrorCode> handleValidationException(Exception e) {
         log.warn("GlobalExceptionHandler catch MethodArgumentNotValidException : {}", e.getMessage());
         return ResponseEntity
diff --git a/src/main/java/org/kkumulkkum/server/external/FcmService.java b/src/main/java/org/kkumulkkum/server/external/FcmService.java
index 5589273..2582b2d 100644
--- a/src/main/java/org/kkumulkkum/server/external/FcmService.java
+++ b/src/main/java/org/kkumulkkum/server/external/FcmService.java
@@ -26,7 +26,7 @@ public void sendBulk(
     ){
         MulticastMessage message = createBulkMessage(fcmTokens, fcmMessageDto);
         try {
-            FirebaseMessaging.getInstance().sendMulticast(message);
+            FirebaseMessaging.getInstance().sendEachForMulticast(message);
         } catch (FirebaseMessagingException e){
             throw new FirebaseException(FirebaseErrorCode.FCM_ERROR);
         }
diff --git a/src/main/java/org/kkumulkkum/server/repository/MemberRepository.java b/src/main/java/org/kkumulkkum/server/repository/MemberRepository.java
index d0e8447..a38a5b5 100644
--- a/src/main/java/org/kkumulkkum/server/repository/MemberRepository.java
+++ b/src/main/java/org/kkumulkkum/server/repository/MemberRepository.java
@@ -35,6 +35,11 @@ SELECT CASE WHEN EXISTS (
 
     Member findByMeetingIdAndUserId(Long meetingId, Long userId);
 
+    @Query("""
+            SELECT m from Member m
+            JOIN FETCH m.meeting
+            WHERE m.user.id = :userId
+            """)
     List<Member> findByUserId(Long userId);
 
     @Query("""
diff --git a/src/main/java/org/kkumulkkum/server/service/auth/AuthService.java b/src/main/java/org/kkumulkkum/server/service/auth/AuthService.java
index f0664f7..685b62d 100644
--- a/src/main/java/org/kkumulkkum/server/service/auth/AuthService.java
+++ b/src/main/java/org/kkumulkkum/server/service/auth/AuthService.java
@@ -19,6 +19,9 @@
 import org.kkumulkkum.server.service.member.MemberRemover;
 import org.kkumulkkum.server.service.member.MemberRetreiver;
 import org.kkumulkkum.server.service.participant.ParticipantRemover;
+import org.kkumulkkum.server.service.participant.ParticipantRetriever;
+import org.kkumulkkum.server.service.promise.PromiseRemover;
+import org.kkumulkkum.server.service.promise.PromiseRetriever;
 import org.kkumulkkum.server.service.user.UserRemover;
 import org.kkumulkkum.server.service.user.UserRetriever;
 import org.kkumulkkum.server.service.user.UserSaver;
@@ -45,6 +48,9 @@ public class AuthService {
     private final TokenRemover tokenRemover;
     private final UserInfoRetriever userInfoRetriever;
     private final MemberRetreiver memberRetreiver;
+    private final PromiseRetriever promiseRetriever;
+    private final ParticipantRetriever participantRetriever;
+    private final PromiseRemover promiseRemover;
     private final ParticipantRemover participantRemover;
     private final MemberRemover memberRemover;
     private final UserInfoRemover userInfoRemover;
@@ -148,6 +154,7 @@ private void deleteUser(final User user) {
         // 각 Member에 대한 Participant 삭제
         for(Member member : members) {
            participantRemover.deleteByMemberId(member.getId());
+           removeEmptyPromises(member.getMeeting().getId());
         }
 
         // Member 데이터 삭제
@@ -158,4 +165,10 @@ private void deleteUser(final User user) {
         // User 삭제
         userRemover.delete(user);
     }
+
+    private void removeEmptyPromises(final Long meetingId) {
+        promiseRetriever.findAllByMeetingId(meetingId).stream()
+                .filter(promise -> participantRetriever.findAllByPromiseId(promise.getId()).isEmpty())
+                .forEach(promise -> promiseRemover.deleteById(promise.getId()));
+    }
 }