diff --git a/auth/src/main/kotlin/kpring/auth/repository/ExpireTokenRepository.kt b/auth/src/main/kotlin/kpring/auth/repository/ExpireTokenRepository.kt
index 63b951d4..6e56d1b6 100644
--- a/auth/src/main/kotlin/kpring/auth/repository/ExpireTokenRepository.kt
+++ b/auth/src/main/kotlin/kpring/auth/repository/ExpireTokenRepository.kt
@@ -18,6 +18,10 @@ class ExpireTokenRepository(
       .awaitSingle()
   }
 
+  suspend fun isBlacklisted(tokenId: String): Boolean {
+    return redisTemplate.hasKey(tokenId).awaitSingle()
+  }
+
   suspend fun expireToken(
     tokenId: String,
     expiredAt: LocalDateTime,
diff --git a/auth/src/main/kotlin/kpring/auth/service/TokenService.kt b/auth/src/main/kotlin/kpring/auth/service/TokenService.kt
index ba79095a..66c47501 100644
--- a/auth/src/main/kotlin/kpring/auth/service/TokenService.kt
+++ b/auth/src/main/kotlin/kpring/auth/service/TokenService.kt
@@ -89,6 +89,9 @@ class TokenService(
     val isExpired = !tokenRepository.isExpired(token)
     if (!isExpired) throw ServiceException(AuthErrorCode.TOKEN_EXPIRED)
 
+    val isBlacklisted = tokenRepository.isBlacklisted(jwt.id)
+    if (isBlacklisted) throw ServiceException(AuthErrorCode.TOKEN_EXPIRED)
+
     return TokenInfo(jwt.type, jwt.userId)
   }
 }
diff --git a/user/src/main/kotlin/kpring/user/service/LoginServiceImpl.kt b/user/src/main/kotlin/kpring/user/service/LoginServiceImpl.kt
index a761e001..14e6a523 100644
--- a/user/src/main/kotlin/kpring/user/service/LoginServiceImpl.kt
+++ b/user/src/main/kotlin/kpring/user/service/LoginServiceImpl.kt
@@ -31,7 +31,8 @@ class LoginServiceImpl(
   }
 
   override fun logout(request: LogoutRequest) {
-    TODO("Not yet implemented")
+    authClient.deleteToken(request.accessToken)
+    authClient.deleteToken(request.refreshToken)
   }
 
   fun handleTokenResponse(tokenResponse: ResponseEntity<CreateTokenResponse>): LoginResponse {