diff --git a/LICENSE b/LICENSE
index a2452a0..3718eaa 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 (The MIT License)
 
-Copyright (c) 2012-2018 Yuan Chuan <yuanchuan23@gmail.com>
+Copyright (c) 2012-2021 Yuan Chuan <yuanchuan23@gmail.com>
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/README.md b/README.md
index 9a80252..539040e 100644
--- a/README.md
+++ b/README.md
@@ -240,4 +240,4 @@ This project follows the [all-contributors](https://github.com/kentcdodds/all-co
 ## License
 MIT
 
-Copyright (c) 2020 [yuanchuan](https://github.com/yuanchuan)
+Copyright (c) 2012-2021 [yuanchuan](https://github.com/yuanchuan)