diff --git a/LICENSE b/LICENSE
index 7c9cbd37..659298f6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 An Tao
+Copyright (c) 2019-2020 An Tao
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/trantor b/trantor
index ee041273..cdf853ac 160000
--- a/trantor
+++ b/trantor
@@ -1 +1 @@
-Subproject commit ee04127312655b681632442000d1473dabb6e337
+Subproject commit cdf853aca05261273bf271bf6fe6011245e75e13