diff --git a/server.go b/server.go
index aa73093..5fbf3c9 100644
--- a/server.go
+++ b/server.go
@@ -132,7 +132,8 @@ func (server *Server) shutdown() {
 		logger.Println("http server shutdown. healthcheckcounter :", t)
 		atomic.StoreInt64(&healthcheckcounter, math.MinInt64)
 
-		for cnt := 0; cnt < 100; {
+		timer := 600 // 0.1 * 600 = 1분
+		for cnt := 0; cnt < 100 && timer > 0; {
 			next := atomic.LoadInt64(&healthcheckcounter)
 			if next == t {
 				cnt++
@@ -141,6 +142,7 @@ func (server *Server) shutdown() {
 				cnt = 0
 			}
 			time.Sleep(100 * time.Millisecond)
+			timer--
 		}
 		logger.Println("http server shutdown. healthcheck completed")
 	} else {