diff --git a/backend/core/src/main/java/com/rollthedice/backend/domain/member/service/MemberService.java b/backend/core/src/main/java/com/rollthedice/backend/domain/member/service/MemberService.java
index ea9e1072..1b5a1962 100644
--- a/backend/core/src/main/java/com/rollthedice/backend/domain/member/service/MemberService.java
+++ b/backend/core/src/main/java/com/rollthedice/backend/domain/member/service/MemberService.java
@@ -1,6 +1,7 @@
 package com.rollthedice.backend.domain.member.service;
 
 import com.rollthedice.backend.domain.member.dto.MemberServiceDto;
+import com.rollthedice.backend.domain.member.dto.MemberUpdateDto;
 import com.rollthedice.backend.domain.member.dto.response.MemberResponse;
 import com.rollthedice.backend.domain.member.entity.Member;
 import com.rollthedice.backend.domain.member.exception.MemberNotFoundException;
@@ -11,9 +12,11 @@
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+@Slf4j
 @RequiredArgsConstructor
 @Service
 public class MemberService {
@@ -27,8 +30,9 @@ public boolean isDuplicatedNickname(MemberServiceDto memberServiceDto) {
     }
 
     @Transactional
-    public void update(MemberServiceDto memberServiceDto) {
-        findByEmail(memberServiceDto.getEmail()).update(memberServiceDto);
+    public void update(MemberUpdateDto memberUpdateDto) {
+        Member loginMember = authService.getMember();
+        loginMember.signUp(memberUpdateDto.getNickname());
     }
 
     @Transactional(readOnly = true)