diff --git a/LICENSE b/LICENSE
index dacee4f..c16ad9c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2017-2019 Louie Lu
+Copyright (c) 2017-2024 Louie Lu
 
 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/docs/conf.py b/docs/conf.py
index 1484d4f..77cb16c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -47,7 +47,7 @@
 
 # General information about the project.
 project = "twstock"
-copyright = "2017, Louie Lu"
+copyright = "2017-2024, Louie Lu"
 author = "Louie Lu"
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/docs/license.rst b/docs/license.rst
index 4107d06..13c2a48 100644
--- a/docs/license.rst
+++ b/docs/license.rst
@@ -1,7 +1,7 @@
 LICENSE
 ---------------------
 
-Copyright (c) 2017-2019 Louie Lu
+Copyright (c) 2017-2024 Louie Lu
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal