--- ../test/CommandTest.php	2026-07-11 01:17:19.164647626 +0300
+++ ../test/CommandTest.php	2026-07-11 01:19:22.803380464 +0300
@@ -6,6 +6,8 @@
 use GetOpt\GetOpt;
 use GetOpt\Option;
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Test;
 
 class CommandTest extends TestCase
 {
@@ -28,22 +30,22 @@
         );
     }
 
-    /** @test */
+    #[Test]
     public function constructorSavesName(): void
     {
         self::assertSame('the-name', $this->command->getName());
     }
 
-    /** @dataProvider dataNamesNotAllowed
-     * @param string $name
-     * @test */
+    /** @param string $name */
+    #[Test]
+    #[DataProvider('dataNamesNotAllowed')]
     public function namesNotAllowed($name): void
     {
         self::expectException(\InvalidArgumentException::class);
         new Command($name, '', null);
     }
 
-    public function dataNamesNotAllowed()
+    public static function dataNamesNotAllowed()
     {
         return [
             [ '-abc' ],  // starts with dash
@@ -52,19 +54,19 @@
         ];
     }
 
-    /** @test */
+    #[Test]
     public function constructorSavesHandler(): void
     {
         self::assertSame([ '\PDO', 'getAvailableDrivers' ], $this->command->getHandler());
     }
 
-    /** @test */
+    #[Test]
     public function constructorSavesOptions(): void
     {
         self::assertSame($this->options, $this->command->getOptions());
     }
 
-    /** @test */
+    #[Test]
     public function addOptionsAppendsOptions(): void
     {
         $optionC = new Option('c', 'optc');
@@ -73,7 +75,7 @@
         self::assertSame([ $this->options[0], $this->options[1], $optionC ], $this->command->getOptions());
     }
 
-    /** @test */
+    #[Test]
     public function commandWithConflictingOptionsFailsToAdd(): void
     {
         $getOpt = new GetOpt([Option::create('v', 'verbose')]);
@@ -86,7 +88,7 @@
         $getOpt->addCommand($command);
     }
 
-    /** @test */
+    #[Test]
     public function operandsHaveToFollowCommands(): void
     {
         $getOpt = new GetOpt([Option::create(null, 'version')]);
@@ -99,7 +101,7 @@
         self::assertSame(['foo', 'bar'], $getOpt->getOperands());
     }
 
-    /** @test */
+    #[Test]
     public function shortDescriptionUsedForDescription(): void
     {
         $command = new Command('test', 'var_dump');
@@ -109,7 +111,7 @@
         self::assertSame('short description', $command->getDescription());
     }
 
-    /** @test */
+    #[Test]
     public function descriptionUsedForShortDescription(): void
     {
         $command = new Command('test', 'var_dump');
@@ -119,7 +121,7 @@
         self::assertSame('long description', $command->getShortDescription());
     }
 
-    /** @test */
+    #[Test]
     public function getHelpForExecutedCommand(): void
     {
         $longDescription = 'This is a very long description.' . PHP_EOL . 'It also may have line breaks.';
@@ -145,7 +147,7 @@
         );
     }
 
-    /** @test */
+    #[Test]
     public function getHelpForCommands(): void
     {
         $cmd1 = Command::create('help', 'var_dump')->setDescription('Shows help for a command');
@@ -169,7 +171,7 @@
         );
     }
 
-    /** @test */
+    #[Test]
     public function tooLongShortDescription(): void
     {
         defined('COLUMNS') || define('COLUMNS', 90);
@@ -198,7 +200,7 @@
         );
     }
 
-    /** @test */
+    #[Test]
     public function commandsWithSpaces(): void
     {
         $getOpt = new GetOpt();
@@ -210,7 +212,7 @@
         self::assertSame($command, $getOpt->getCommand());
     }
 
-    /** @test */
+    #[Test]
     public function singleWordCommandHavePrecedence(): void
     {
         $getOpt = new GetOpt();
@@ -224,7 +226,7 @@
         self::assertSame(['reviews'], $getOpt->getOperands());
     }
 
-    /** @test */
+    #[Test]
     public function commandCannotBeDividedByOptions(): void
     {
         $getOpt = new GetOpt([Option::create(null, 'version')]);