diff --git a/.semver b/.semver
index eea46c9..e0940c9 100644
--- a/.semver
+++ b/.semver
@@ -1,5 +1,5 @@
 ---
-:major: 1
+:major: 2
 :minor: 0
 :patch: 1
 :special: ''
diff --git a/README.md b/README.md
index 2f86845..ede16ce 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ This extension provides following features:
 1. Provide correct return type for `Cake\Mailer\Mailer::fetchTable()`
 1. Provide correct return type for `Cake\View\Cell::fetchTable()`
 1. Provide correct return type for `Cake\Console\Shell::helper()`
+1. Provide correct return type for `Cake\Console\ConsoleIo::helper()`
 
 ## Installation
 
diff --git a/tests/test_app/Command/Helper/MyHeadingHelper.php b/tests/test_app/Command/Helper/MyHeadingHelper.php
index b67fc76..36ccf20 100644
--- a/tests/test_app/Command/Helper/MyHeadingHelper.php
+++ b/tests/test_app/Command/Helper/MyHeadingHelper.php
@@ -1,5 +1,15 @@
 <?php
 
+/*
+ *  Copyright 2020 - 2021, Cake Development Corporation (https://www.cakedc.com)
+ *
+ *  Licensed under The MIT License
+ *  Redistributions of files must retain the above copyright notice.
+ *
+ *  @copyright Copyright 2020 - 2021, Cake Development Corporation (https://www.cakedc.com)
+ *  @license MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+
 namespace App\Command\Helper;
 
 use Cake\Console\Helper;
diff --git a/tests/test_app/Shell/Helper/BazBazHelper.php b/tests/test_app/Shell/Helper/BazBazHelper.php
index 51f79e5..4ce4eb7 100644
--- a/tests/test_app/Shell/Helper/BazBazHelper.php
+++ b/tests/test_app/Shell/Helper/BazBazHelper.php
@@ -1,5 +1,15 @@
 <?php
 
+/*
+ *  Copyright 2020 - 2021, Cake Development Corporation (https://www.cakedc.com)
+ *
+ *  Licensed under The MIT License
+ *  Redistributions of files must retain the above copyright notice.
+ *
+ *  @copyright Copyright 2020 - 2021, Cake Development Corporation (https://www.cakedc.com)
+ *  @license MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+
 namespace App\Shell\Helper;
 
 use Cake\Console\Helper;