diff --git a/src/main/java/com/example/bigbrotherbe/domain/member/service/MemberServiceImpl.java b/src/main/java/com/example/bigbrotherbe/domain/member/service/MemberServiceImpl.java
index d5fc065..4a387ee 100644
--- a/src/main/java/com/example/bigbrotherbe/domain/member/service/MemberServiceImpl.java
+++ b/src/main/java/com/example/bigbrotherbe/domain/member/service/MemberServiceImpl.java
@@ -247,6 +247,7 @@ public void deleteSelf() {
     }
 
     @Override
+    @Transactional
     public MemberInfoResponse changeMemberInfo(String username) {
         Member member = authUtil.getLoginMember();
         member.changeName(username);