diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index 3ea570f..7a2f3fe 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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 2478a34..54fbfe6 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 # The MIT License (MIT)
 
-Copyright (c) 2020-2024 Andreas Möller
+Copyright (c) 2020-2025 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/rector.php b/rector.php
index 136dcdf..e53bc38 100644
--- a/rector.php
+++ b/rector.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/CouldNotSet.php b/src/Exception/CouldNotSet.php
index 40c0658..1de914e 100644
--- a/src/Exception/CouldNotSet.php
+++ b/src/Exception/CouldNotSet.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/CouldNotUnset.php b/src/Exception/CouldNotUnset.php
index f232494..af803bb 100644
--- a/src/Exception/CouldNotUnset.php
+++ b/src/Exception/CouldNotUnset.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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 2d694cb..f9992b6 100644
--- a/src/Exception/Exception.php
+++ b/src/Exception/Exception.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/InvalidName.php b/src/Exception/InvalidName.php
index 8ba40e9..54db827 100644
--- a/src/Exception/InvalidName.php
+++ b/src/Exception/InvalidName.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/InvalidValue.php b/src/Exception/InvalidValue.php
index bc4e0bc..0332b7e 100644
--- a/src/Exception/InvalidValue.php
+++ b/src/Exception/InvalidValue.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/NotBackedUp.php b/src/Exception/NotBackedUp.php
index ae093d8..e2c69a4 100644
--- a/src/Exception/NotBackedUp.php
+++ b/src/Exception/NotBackedUp.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/NotSet.php b/src/Exception/NotSet.php
index 0eaa33b..db2a239 100644
--- a/src/Exception/NotSet.php
+++ b/src/Exception/NotSet.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/ShouldNotBeUsed.php b/src/Exception/ShouldNotBeUsed.php
index 084c22f..a0eaf67 100644
--- a/src/Exception/ShouldNotBeUsed.php
+++ b/src/Exception/ShouldNotBeUsed.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/FakeVariables.php b/src/FakeVariables.php
index 2e5b839..beba0a8 100644
--- a/src/FakeVariables.php
+++ b/src/FakeVariables.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/ReadOnlyVariables.php b/src/ReadOnlyVariables.php
index 331a794..e27e3ce 100644
--- a/src/ReadOnlyVariables.php
+++ b/src/ReadOnlyVariables.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/SystemVariables.php b/src/SystemVariables.php
index a148cae..2c87832 100644
--- a/src/SystemVariables.php
+++ b/src/SystemVariables.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/TestVariables.php b/src/TestVariables.php
index a6c5843..c310519 100644
--- a/src/TestVariables.php
+++ b/src/TestVariables.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/Variables.php b/src/Variables.php
index 33a856c..b293655 100644
--- a/src/Variables.php
+++ b/src/Variables.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/Name.php b/test/DataProvider/Name.php
index e85af1a..1f69bca 100644
--- a/test/DataProvider/Name.php
+++ b/test/DataProvider/Name.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/Value.php b/test/DataProvider/Value.php
index e9139da..8b19b2d 100644
--- a/test/DataProvider/Value.php
+++ b/test/DataProvider/Value.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/CouldNotSetTest.php b/test/Unit/Exception/CouldNotSetTest.php
index 89fb8d4..2fe3a15 100644
--- a/test/Unit/Exception/CouldNotSetTest.php
+++ b/test/Unit/Exception/CouldNotSetTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/CouldNotUnsetTest.php b/test/Unit/Exception/CouldNotUnsetTest.php
index 0eed744..8aa2b02 100644
--- a/test/Unit/Exception/CouldNotUnsetTest.php
+++ b/test/Unit/Exception/CouldNotUnsetTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/InvalidNameTest.php b/test/Unit/Exception/InvalidNameTest.php
index c82bd85..cd143ef 100644
--- a/test/Unit/Exception/InvalidNameTest.php
+++ b/test/Unit/Exception/InvalidNameTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/InvalidValueTest.php b/test/Unit/Exception/InvalidValueTest.php
index 75dd9b5..4fdaecd 100644
--- a/test/Unit/Exception/InvalidValueTest.php
+++ b/test/Unit/Exception/InvalidValueTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/NotBackedUpTest.php b/test/Unit/Exception/NotBackedUpTest.php
index ca2e722..0cdda78 100644
--- a/test/Unit/Exception/NotBackedUpTest.php
+++ b/test/Unit/Exception/NotBackedUpTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/NotSetTest.php b/test/Unit/Exception/NotSetTest.php
index 76f7f7b..de79745 100644
--- a/test/Unit/Exception/NotSetTest.php
+++ b/test/Unit/Exception/NotSetTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/ShouldNotBeUsedTest.php b/test/Unit/Exception/ShouldNotBeUsedTest.php
index 1d44622..21454fe 100644
--- a/test/Unit/Exception/ShouldNotBeUsedTest.php
+++ b/test/Unit/Exception/ShouldNotBeUsedTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/FakeVariablesTest.php b/test/Unit/FakeVariablesTest.php
index 33ebd30..190681e 100644
--- a/test/Unit/FakeVariablesTest.php
+++ b/test/Unit/FakeVariablesTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/ReadOnlyVariablesTest.php b/test/Unit/ReadOnlyVariablesTest.php
index 5158cf3..b198baa 100644
--- a/test/Unit/ReadOnlyVariablesTest.php
+++ b/test/Unit/ReadOnlyVariablesTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/SystemVariablesTest.php b/test/Unit/SystemVariablesTest.php
index c164d66..6e9be9c 100644
--- a/test/Unit/SystemVariablesTest.php
+++ b/test/Unit/SystemVariablesTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/TestVariablesTest.php b/test/Unit/TestVariablesTest.php
index 2f2ab98..ecdcb97 100644
--- a/test/Unit/TestVariablesTest.php
+++ b/test/Unit/TestVariablesTest.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 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/Helper.php b/test/Util/Helper.php
index aeb6d57..54e5f0a 100644
--- a/test/Util/Helper.php
+++ b/test/Util/Helper.php
@@ -3,7 +3,7 @@
 declare(strict_types=1);
 
 /**
- * Copyright (c) 2020-2024 Andreas Möller
+ * Copyright (c) 2020-2025 Andreas Möller
  *
  * For the full copyright and license information, please view
  * the LICENSE.md file that was distributed with this source code.