diff --git a/GSLCSVSerialization.podspec b/GSLCSVSerialization.podspec
index 4d862d6..8842ff1 100644
--- a/GSLCSVSerialization.podspec
+++ b/GSLCSVSerialization.podspec
@@ -1,10 +1,10 @@
 Pod::Spec.new do |s|
   s.name         = 'GSLCSVSerialization'
-  s.version      = '4.0.0'
+  s.version      = '4.0.1'
   s.author       = 'GyazSquare'
   s.license      = { :type => 'MIT' }
   s.homepage     = 'https://github.com/GyazSquare/GSLCSVSerialization'
-  s.source       = { :git => 'https://github.com/GyazSquare/GSLCSVSerialization.git', :tag => 'v4.0.0' }
+  s.source       = { :git => 'https://github.com/GyazSquare/GSLCSVSerialization.git', :tag => '4.0.1' }
   s.summary      = 'An Objective-C CSV parser for iOS, macOS, watchOS and tvOS.'
   s.ios.deployment_target = '9.0'
   s.osx.deployment_target = '10.9'
diff --git a/LICENSE b/LICENSE
index 0c4c4e7..c3392a9 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017-2019 GyazSquare Inc.
+Copyright (c) 2017-2021 GyazSquare Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal