--- ../tests/SpdxLicensesTest.php	2026-09-03 20:11:50.330194616 +0300
+++ ../tests/SpdxLicensesTest.php	2026-09-03 20:12:38.533571898 +0300
@@ -12,6 +12,7 @@
 namespace Composer\Spdx;
 
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 class SpdxLicensesTest extends TestCase
 {
@@ -26,33 +27,30 @@
     }
 
     /**
-     * @dataProvider provideValidLicenses
-     *
      * @param string|string[] $license
      * @return void
      */
+    #[DataProvider('provideValidLicenses')]
     public function testValidate($license)
     {
         $this->assertTrue($this->licenses->validate($license));
     }
 
     /**
-     * @dataProvider provideInvalidLicenses
-     *
      * @param string|string[] $invalidLicense
      * @return void
      */
+    #[DataProvider('provideInvalidLicenses')]
     public function testInvalidLicenses($invalidLicense)
     {
         $this->assertFalse($this->licenses->validate($invalidLicense));
     }
 
     /**
-     * @dataProvider provideInvalidArgument
-     *
      * @param mixed $invalidArgument
      * @return void
      */
+    #[DataProvider('provideInvalidArgument')]
     public function testInvalidArgument($invalidArgument)
     {
         $this->setExpectedException('InvalidArgumentException');
@@ -75,18 +73,17 @@
 
         $this->assertEquals(
             realpath($dir),
-            realpath(__DIR__ . '/../res'),
+            realpath(__DIR__ . '/../../../res'),
             'Expected resources directory to be "res" (relative to project root).'
         );
     }
 
     /**
      * @testdox Resources files exist at expected locations.
-     * @dataProvider provideResourceFiles
-     *
      * @param string $file
      * @return void
      */
+    #[DataProvider('provideResourceFiles')]
     public function testResourceFilesExist($file)
     {
         $this->assertFileExists(
@@ -97,11 +94,11 @@
 
     /**
      * @testdox Resources files contain valid JSON.
-     * @dataProvider provideResourceFiles
      *
      * @param string $file
      * @return void
      */
+    #[DataProvider('provideResourceFiles')]
     public function testResourceFilesContainJson($file)
     {
         $contents = file_get_contents(SpdxLicenses::getResourcesDir() . '/' . $file);
@@ -232,7 +229,7 @@
     /**
      * @return array<array{SpdxLicenses::*}>
      */
-    public function provideResourceFiles()
+    public static function provideResourceFiles()
     {
         return [
             [SpdxLicenses::LICENSES_FILE],
@@ -243,7 +240,7 @@
     /**
      * @return array<int, string|string[]>
      */
-    public function provideValidLicenses()
+    public static function provideValidLicenses()
     {
         $contents = file_get_contents(SpdxLicenses::getResourcesDir() . '/' . SpdxLicenses::LICENSES_FILE);
         if (false === $contents) {
@@ -285,7 +282,7 @@
     /**
      * @return array<array{string|string[]}>
      */
-    public function provideInvalidLicenses()
+    public static function provideInvalidLicenses()
     {
         return [
             [''],
@@ -314,7 +311,7 @@
     /**
      * @return array<array<mixed>>
      */
-    public function provideInvalidArgument()
+    public static function provideInvalidArgument()
     {
         return [
             [null],