diff --git a/be/src/main/java/yeonba/be/login/service/LoginService.java b/be/src/main/java/yeonba/be/login/service/LoginService.java
index 9dd00eec..2dec3f10 100644
--- a/be/src/main/java/yeonba/be/login/service/LoginService.java
+++ b/be/src/main/java/yeonba/be/login/service/LoginService.java
@@ -10,6 +10,7 @@
 import yeonba.be.user.entity.User;
 import yeonba.be.user.repository.UserQuery;
 import yeonba.be.util.EmailService;
+import yeonba.be.util.RedisUtil;
 import yeonba.be.util.SmsService;
 import yeonba.be.util.TemporaryPasswordGenerator;
 import yeonba.be.util.VerificationCodeGenerator;
@@ -18,6 +19,8 @@
 @RequiredArgsConstructor
 public class LoginService {
 
+  private final long VERIFICATION_CODE_TTL = 5;
+
   private final String TEMPORARY_PASSWORD_EMAIL_SUBJECT = "연바(연애는 바로 지금) 임시비밀번호 발급";
   private final String TEMPORARY_PASSWORD_EMAIL_TEXT = "임시비밀번호 : %s";
   private final String VERIFICATION_CODE_MESSAGE = "연바(연애는 바로 지금) 인증 코드 : %s";
@@ -27,6 +30,7 @@ public class LoginService {
   private final EmailService emailService;
   private final SmsService smsService;
 
+  private final RedisUtil redisUtil;
   /*
   임시 비밀번호는 다음 과정을 거친다.
     1. 요청 이메일 기반 사용자 조회
@@ -58,7 +62,12 @@ public void sendVerificationCodeMessage(UserPhoneNumberVerifyRequest request) {
       throw new GeneralException(UserException.USER_NOT_FOUND);
     }
 
+    // 인증 코드 재발급 요청시 기존 발급 내역 삭제
+    redisUtil.deleteData(phoneNumber);
+
     String code = VerificationCodeGenerator.generateVerificationCode();
+    redisUtil.putData(phoneNumber, code, VERIFICATION_CODE_TTL);
+
     String message = String.format(VERIFICATION_CODE_MESSAGE, code);
     smsService.sendMessage(phoneNumber, message);
   }