diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b88998f..429673a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ ubuntu-latest ]
-        php-versions: [ '8.1', '8.2', '8.3', '8.4' ]
+        php-versions: [ '8.2', '8.3', '8.4', '8.5' ]
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
 
     steps:
diff --git a/LICENSE b/LICENSE
index bfcf021..2013f40 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2025 odan
+Copyright (c) 2026 odan
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index cc39510..019ac65 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ A strictly typed array reader for PHP.
 
 ## Requirements
 
-* PHP 8.1 - 8.4
+* PHP 8.2 - 8.5
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index ff7ebe1..e4917db 100644
--- a/composer.json
+++ b/composer.json
@@ -13,13 +13,13 @@
     ],
     "homepage": "https://github.com/selective-php/array-reader",
     "require": {
-        "php": "8.1.* || 8.2.* || 8.3.* || 8.4.*",
+        "php": "~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0",
         "cakephp/chronos": "^2 || ^3"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3",
         "phpstan/phpstan": "^1 || ^2",
-        "phpunit/phpunit": "^10",
+        "phpunit/phpunit": "^11",
         "squizlabs/php_codesniffer": "^3"
     },
     "autoload": {
@@ -37,12 +37,10 @@
     },
     "scripts": {
         "cs:check": [
-            "@putenv PHP_CS_FIXER_IGNORE_ENV=1",
-            "php-cs-fixer fix --dry-run --format=txt --verbose --diff --config=.cs.php --ansi"
+            "php-cs-fixer fix --dry-run --format=txt --verbose --diff --config=.cs.php --ansi --allow-unsupported-php-version=yes"
         ],
         "cs:fix": [
-            "@putenv PHP_CS_FIXER_IGNORE_ENV=1",
-            "php-cs-fixer fix --config=.cs.php --ansi --verbose"
+            "php-cs-fixer fix --config=.cs.php --ansi --verbose --allow-unsupported-php-version=yes"
         ],
         "sniffer:check": "phpcs --standard=phpcs.xml",
         "sniffer:fix": "phpcbf --standard=phpcs.xml",
diff --git a/phpunit.xml b/phpunit.xml
index 2927473..7b7ad74 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -3,7 +3,7 @@
          bootstrap="vendor/autoload.php"
          colors="true"
          backupGlobals="false"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.3/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.5/phpunit.xsd"
          cacheDirectory=".phpunit.cache"
          backupStaticProperties="false">
     <coverage/>
diff --git a/tests/ArrayReaderTest.php b/tests/ArrayReaderTest.php
index d0e7453..f92df94 100644
--- a/tests/ArrayReaderTest.php
+++ b/tests/ArrayReaderTest.php
@@ -3,6 +3,7 @@
 namespace Selective\ArrayReader\Test;
 
 use InvalidArgumentException;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Selective\ArrayReader\ArrayReader;
 
@@ -14,8 +15,6 @@ class ArrayReaderTest extends TestCase
     /**
      * Test.
      *
-     * @dataProvider providerGetInt
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
@@ -23,6 +22,7 @@ class ArrayReaderTest extends TestCase
      *
      * @return void
      */
+    #[DataProvider('providerGetInt')]
     public function testCreateFromArray($data, $key, $default, $expected): void
     {
         $reader = ArrayReader::createFromArray($data);
@@ -32,8 +32,6 @@ public function testCreateFromArray($data, $key, $default, $expected): void
     /**
      * Test.
      *
-     * @dataProvider providerGetInt
-     *
      * @param mixed $data The data
      * @param string|key $key The lookup key
      * @param mixed $default The default value
@@ -41,6 +39,7 @@ public function testCreateFromArray($data, $key, $default, $expected): void
      *
      * @return void
      */
+    #[DataProvider('providerGetInt')]
     public function testGetInt($data, $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);
@@ -50,14 +49,13 @@ public function testGetInt($data, $key, $default, $expected): void
     /**
      * Test.
      *
-     * @dataProvider providerGetIntError
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
      *
      * @return void
      */
+    #[DataProvider('providerGetIntError')]
     public function testGetIntError($data, $key, $default): void
     {
         $reader = new ArrayReader($data);
@@ -70,8 +68,6 @@ public function testGetIntError($data, $key, $default): void
     /**
      * Test.
      *
-     * @dataProvider providerFindInt
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
@@ -79,6 +75,7 @@ public function testGetIntError($data, $key, $default): void
      *
      * @return void
      */
+    #[DataProvider('providerFindInt')]
     public function testFindInt($data, $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);
@@ -88,8 +85,6 @@ public function testFindInt($data, $key, $default, $expected): void
     /**
      * Test.
      *
-     * @dataProvider providerGetFloat
-     *
      * @param mixed $data The data
      * @param string|key $key The lookup key
      * @param mixed $default The default value
@@ -97,6 +92,7 @@ public function testFindInt($data, $key, $default, $expected): void
      *
      * @return void
      */
+    #[DataProvider('providerGetFloat')]
     public function testGetFloat($data, $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);
@@ -106,14 +102,13 @@ public function testGetFloat($data, $key, $default, $expected): void
     /**
      * Test.
      *
-     * @dataProvider providerGetFloatError
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
      *
      * @return void
      */
+    #[DataProvider('providerGetFloatError')]
     public function testGetFloatError($data, $key, $default): void
     {
         $reader = new ArrayReader($data);
@@ -126,8 +121,6 @@ public function testGetFloatError($data, $key, $default): void
     /**
      * Test.
      *
-     * @dataProvider providerFindFloat
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
@@ -135,6 +128,7 @@ public function testGetFloatError($data, $key, $default): void
      *
      * @return void
      */
+    #[DataProvider('providerFindFloat')]
     public function testFindFloat($data, $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);
@@ -238,8 +232,6 @@ public static function providerFindFloat(): array
     /**
      * Test.
      *
-     * @dataProvider providerGetString
-     *
      * @param mixed $data The data
      * @param string $key The lookup key
      * @param mixed $default The default value
@@ -247,6 +239,7 @@ public static function providerFindFloat(): array
      *
      * @return void
      */
+    #[DataProvider('providerGetString')]
     public function testGetString($data, string $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);
@@ -273,13 +266,12 @@ public static function providerGetString(): array
     /**
      * Test.
      *
-     * @dataProvider providerGetStringError
-     *
      * @param mixed $data The data
      * @param string $key The lookup key
      *
      * @return void
      */
+    #[DataProvider('providerGetStringError')]
     public function testGetStringError($data, string $key): void
     {
         $this->expectException(InvalidArgumentException::class);
@@ -308,8 +300,6 @@ public static function providerGetStringError(): array
     /**
      * Test.
      *
-     * @dataProvider providerFindString
-     *
      * @param mixed $data The data
      * @param string $key The lookup key
      * @param mixed $default The default value
@@ -317,6 +307,7 @@ public static function providerGetStringError(): array
      *
      * @return void
      */
+    #[DataProvider('providerFindString')]
     public function testFindString($data, string $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);
@@ -343,8 +334,6 @@ public static function providerFindString(): array
     /**
      * Test.
      *
-     * @dataProvider providerGetArray
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
@@ -352,6 +341,7 @@ public static function providerFindString(): array
      *
      * @return void
      */
+    #[DataProvider('providerGetArray')]
     public function testGetArray($data, $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);
@@ -376,14 +366,13 @@ public static function providerGetArray(): array
     /**
      * Test.
      *
-     * @dataProvider providerGetArrayError
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
      *
      * @return void
      */
+    #[DataProvider('providerGetArrayError')]
     public function testGetArrayError($data, $key, $default): void
     {
         $reader = new ArrayReader($data);
@@ -409,8 +398,6 @@ public static function providerGetArrayError(): array
     /**
      * Test.
      *
-     * @dataProvider providerFindArray
-     *
      * @param mixed $data The data
      * @param string|int $key The lookup key
      * @param mixed $default The default value
@@ -418,6 +405,7 @@ public static function providerGetArrayError(): array
      *
      * @return void
      */
+    #[DataProvider('providerFindArray')]
     public function testFindArray($data, $key, $default, $expected): void
     {
         $reader = new ArrayReader($data);