diff --git a/.php_cs b/.php_cs
index a37329f2..9cc26797 100644
--- a/.php_cs
+++ b/.php_cs
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/LICENSE.md b/LICENSE.md
index 2aa4353a..6a472f62 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 # The MIT License (MIT)
 
-Copyright (c) 2018-2020 Andreas Möller
+Copyright (c) 2018-2021 Andreas Möller
 
 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
diff --git a/bin/laxify-schema.php b/bin/laxify-schema.php
index 6ea32bfc..eb5ac699 100644
--- a/bin/laxify-schema.php
+++ b/bin/laxify-schema.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/phar/composer-normalize.php b/phar/composer-normalize.php
index 9b33ef96..7cfebea9 100644
--- a/phar/composer-normalize.php
+++ b/phar/composer-normalize.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/src/Command/NormalizeCommand.php b/src/Command/NormalizeCommand.php
index 037b7860..334a229c 100644
--- a/src/Command/NormalizeCommand.php
+++ b/src/Command/NormalizeCommand.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/src/Exception/Exception.php b/src/Exception/Exception.php
index f61ea4df..be366177 100644
--- a/src/Exception/Exception.php
+++ b/src/Exception/Exception.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/src/Exception/ShouldNotHappen.php b/src/Exception/ShouldNotHappen.php
index df8a2e46..0385a9e1 100644
--- a/src/Exception/ShouldNotHappen.php
+++ b/src/Exception/ShouldNotHappen.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/src/NormalizePlugin.php b/src/NormalizePlugin.php
index fe4f0fbe..f2ee9660 100644
--- a/src/NormalizePlugin.php
+++ b/src/NormalizePlugin.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/src/Version.php b/src/Version.php
index e54b811a..0c406b88 100644
--- a/src/Version.php
+++ b/src/Version.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/DataProvider/Command/NormalizeCommandProvider.php b/test/DataProvider/Command/NormalizeCommandProvider.php
index a622e10e..22b81016 100644
--- a/test/DataProvider/Command/NormalizeCommandProvider.php
+++ b/test/DataProvider/Command/NormalizeCommandProvider.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/AbstractTestCase.php b/test/Integration/Command/NormalizeCommand/AbstractTestCase.php
index 3ccbd8da..4b7f7488 100644
--- a/test/Integration/Command/NormalizeCommand/AbstractTestCase.php
+++ b/test/Integration/Command/NormalizeCommand/AbstractTestCase.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/NotValid/AdditionalKeys/Test.php b/test/Integration/Command/NormalizeCommand/Extra/NotValid/AdditionalKeys/Test.php
index 266f55c8..43e03118 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/NotValid/AdditionalKeys/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/NotValid/AdditionalKeys/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/Missing/Test.php b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/Missing/Test.php
index 44ce902f..e4dff9b9 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/Missing/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/Missing/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotGreaterThanZero/Test.php b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotGreaterThanZero/Test.php
index 85a0bbb6..cced4122 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotGreaterThanZero/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotGreaterThanZero/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotInteger/Test.php b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotInteger/Test.php
index 4ce1432e..52f40e87 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotInteger/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentSize/NotInteger/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/Missing/Test.php b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/Missing/Test.php
index d92ec744..045fba21 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/Missing/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/Missing/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotSpaceOrTab/Test.php b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotSpaceOrTab/Test.php
index eb5466da..43cd63d4 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotSpaceOrTab/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotSpaceOrTab/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotString/Test.php b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotString/Test.php
index bee2e3c2..ac0ba6b2 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotString/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/NotValid/IndentStyle/NotString/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/Valid/WithOptions/Test.php b/test/Integration/Command/NormalizeCommand/Extra/Valid/WithOptions/Test.php
index 7ea57bca..c68cf233 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/Valid/WithOptions/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/Valid/WithOptions/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Extra/Valid/WithoutOptions/Test.php b/test/Integration/Command/NormalizeCommand/Extra/Valid/WithoutOptions/Test.php
index d71614d8..8b874630 100644
--- a/test/Integration/Command/NormalizeCommand/Extra/Valid/WithoutOptions/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Extra/Valid/WithoutOptions/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/NotValid/Test.php b/test/Integration/Command/NormalizeCommand/Json/NotValid/Test.php
index a409743a..bf4aaffe 100644
--- a/test/Integration/Command/NormalizeCommand/Json/NotValid/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/NotValid/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/AlreadyNormalized/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/AlreadyNormalized/Test.php
index f448f8a5..6d169051 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/AlreadyNormalized/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/AlreadyNormalized/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/NotYetNormalized/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/NotYetNormalized/Test.php
index e6c7c149..b5316d6a 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/NotYetNormalized/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/NotPresent/Json/NotYetNormalized/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/AlreadyNormalized/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/AlreadyNormalized/Test.php
index 2f163bf0..43f8ae03 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/AlreadyNormalized/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/AlreadyNormalized/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/FreshAfter/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/FreshAfter/Test.php
index 44f2179d..7278e6f3 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/FreshAfter/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/FreshAfter/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/NotFreshAfter/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/NotFreshAfter/Test.php
index ba2049f6..2e6fbff5 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/NotFreshAfter/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/FreshBefore/Json/NotYetNormalized/Lock/NotFreshAfter/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/AlreadyNormalized/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/AlreadyNormalized/Test.php
index 68cd7d4d..b87029db 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/AlreadyNormalized/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/AlreadyNormalized/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/NotYetNormalized/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/NotYetNormalized/Test.php
index d4d7c2ee..036c719d 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/NotYetNormalized/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithNoCheckLock/Json/NotYetNormalized/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithoutNoCheckLock/Test.php b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithoutNoCheckLock/Test.php
index 03730284..e8c2ba66 100644
--- a/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithoutNoCheckLock/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Json/Valid/Lock/Present/NotFreshBefore/WithoutNoCheckLock/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Normalizer/Throws/Test.php b/test/Integration/Command/NormalizeCommand/Normalizer/Throws/Test.php
index 10a3db5a..5ec7e9db 100644
--- a/test/Integration/Command/NormalizeCommand/Normalizer/Throws/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Normalizer/Throws/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Integration/Command/NormalizeCommand/Options/NotValid/Test.php b/test/Integration/Command/NormalizeCommand/Options/NotValid/Test.php
index 20ac7ebb..40567736 100644
--- a/test/Integration/Command/NormalizeCommand/Options/NotValid/Test.php
+++ b/test/Integration/Command/NormalizeCommand/Options/NotValid/Test.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Unit/Exception/ShouldNotHappenTest.php b/test/Unit/Exception/ShouldNotHappenTest.php
index 1a4880d4..b54c1e04 100644
--- a/test/Unit/Exception/ShouldNotHappenTest.php
+++ b/test/Unit/Exception/ShouldNotHappenTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Unit/VersionTest.php b/test/Unit/VersionTest.php
index 724a542d..3eefa433 100644
--- a/test/Unit/VersionTest.php
+++ b/test/Unit/VersionTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Util/CommandInvocation.php b/test/Util/CommandInvocation.php
index 8d6b7b11..2e073fe6 100644
--- a/test/Util/CommandInvocation.php
+++ b/test/Util/CommandInvocation.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Util/Directory.php b/test/Util/Directory.php
index 36d20376..b134bc1d 100644
--- a/test/Util/Directory.php
+++ b/test/Util/Directory.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Util/File.php b/test/Util/File.php
index 49a61157..771b20a7 100644
--- a/test/Util/File.php
+++ b/test/Util/File.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Util/Scenario.php b/test/Util/Scenario.php
index 4c135f6a..602b2fc5 100644
--- a/test/Util/Scenario.php
+++ b/test/Util/Scenario.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.
diff --git a/test/Util/State.php b/test/Util/State.php
index b3589e9f..01968666 100644
--- a/test/Util/State.php
+++ b/test/Util/State.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2018-2020 Andreas Möller
+ * Copyright (c) 2018-2021 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.