diff --git a/LICENSE b/LICENSE
index 9d278ea..14130c1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2018-2020 Toshimaru
+Copyright (c) 2018-2022 Toshimaru
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
diff --git a/rubocop-rails_config.gemspec b/rubocop-rails_config.gemspec
index efd4c09..ba94293 100644
--- a/rubocop-rails_config.gemspec
+++ b/rubocop-rails_config.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name                  = "rubocop-rails_config"
-  spec.version               = "1.8.3"
+  spec.version               = "1.9.0"
   spec.summary               = "RuboCop configuration which has the same code style checking as official Ruby on Rails"
   spec.description           = "RuboCop configuration which has the same code style checking as official Ruby on Rails"
   spec.authors               = ["Toshimaru", "Koichi ITO"]