diff --git a/src/main/kotlin/com/stepbookstep/server/domain/auth/application/AuthService.kt b/src/main/kotlin/com/stepbookstep/server/domain/auth/application/AuthService.kt
index 3fc3c75..f95a065 100644
--- a/src/main/kotlin/com/stepbookstep/server/domain/auth/application/AuthService.kt
+++ b/src/main/kotlin/com/stepbookstep/server/domain/auth/application/AuthService.kt
@@ -59,6 +59,7 @@ class AuthService(
         refreshTokenService.save(userId = user.id, refreshToken = refreshToken)
 
         return KakaoLoginResponse(
+            userId=user.id,
             accessToken = accessToken,
             refreshToken = refreshToken,
             signupType = signupType,
@@ -100,6 +101,7 @@ class AuthService(
         refreshTokenService.save(userId = user.id, refreshToken = refreshToken)
 
         return KakaoLoginResponse(
+            userId=user.id,
             accessToken = accessToken,
             refreshToken = refreshToken,
             signupType = signupType,
diff --git a/src/main/kotlin/com/stepbookstep/server/domain/auth/application/dto/KakaoLoginResponse.kt b/src/main/kotlin/com/stepbookstep/server/domain/auth/application/dto/KakaoLoginResponse.kt
index c42240d..660f1fb 100644
--- a/src/main/kotlin/com/stepbookstep/server/domain/auth/application/dto/KakaoLoginResponse.kt
+++ b/src/main/kotlin/com/stepbookstep/server/domain/auth/application/dto/KakaoLoginResponse.kt
@@ -3,6 +3,7 @@ package com.stepbookstep.server.domain.auth.application.dto
 import com.stepbookstep.server.domain.user.domain.SignupType
 
 data class KakaoLoginResponse(
+    val userId: Long,
     val accessToken: String,
     val refreshToken: String,
     val signupType: SignupType,