diff --git a/src/Kinetic.jl b/src/Kinetic.jl
index c57a0f82..13f1a02c 100755
--- a/src/Kinetic.jl
+++ b/src/Kinetic.jl
@@ -1,7 +1,7 @@
 """
 Kinetic.jl: A Portable Framework for Scientific and Neural Computing
 
-Copyright (c) 2022 Tianbai Xiao (tianbaixiao@gmail.com)
+Copyright (c) 2020-2023 Tianbai Xiao (tianbaixiao@gmail.com)
 """
 module Kinetic