--- ../test/SplitHeaderTest.php	2026-07-11 10:43:43.721896337 +0300
+++ ../test/SplitHeaderTest.php	2026-07-11 10:44:21.730357340 +0300
@@ -2,9 +2,11 @@
 
 namespace Amp\Http;
 
+use PHPUnit\Framework\Attributes\DataProvider;
+
 class SplitHeaderTest extends HeaderParsingTest
 {
-    public function provideCases(): iterable
+    public static function provideCases(): iterable
     {
         yield [
             ['text/html, application/xhtml+xml, application/xml;q=0.9, image/webp, */*;q=0.8'],
@@ -27,9 +29,7 @@
         ];
     }
 
-    /**
-     * @dataProvider provideCases
-     */
+    #[DataProvider('provideCases')]
     public function test(array $headers, array $expected): void
     {
         $headerName = 'test-header';