diff --git a/internal/services/schedule_storage/service.go b/internal/services/schedule_storage/service.go
index 98502f6..55d2d75 100644
--- a/internal/services/schedule_storage/service.go
+++ b/internal/services/schedule_storage/service.go
@@ -26,7 +26,7 @@ func (s *ScheduleStorage) SaveSchedule(days []*models.Day) error {
 	if err != nil {
 		return err
 	}
-	if err := os.WriteFile(s.filepath, data, 0x777); err != nil {
+	if err := os.WriteFile(s.filepath, data, 0644); err != nil {
 		return err
 	}
 	log.Printf("save story to: %s", s.filepath)