diff --git a/app/Config/Session.php b/app/Config/Session.php
index 1243f93..7b9ee39 100644
--- a/app/Config/Session.php
+++ b/app/Config/Session.php
@@ -70,10 +70,11 @@ class Session extends BaseConfig
 
         // Redis 설정을 환경변수에서 불러오기
         if ($this->driver === RedisHandler::class) {
-            $redisHost = env('REDIS_HOST', '127.0.0.1');
-            $redisPort = env('REDIS_PORT', '6379');
-            $redisDatabase = env('REDIS_DATABASE', '0');
-            $redisPassword = env('REDIS_PASSWORD', '');
+            // .env의 redis.default.* 설정을 underscore로 읽기
+            $redisHost = env('redis_default_host', '127.0.0.1');
+            $redisPort = env('redis_default_port', '6379');
+            $redisDatabase = env('SESSION_REDIS_DATABASE', '0');
+            $redisPassword = env('redis_default_password', '');
 
             $this->savePath = sprintf(
                 'tcp://%s:%s?database=%s',