--- ../test/AbstractSemaphoreTest.php	2026-07-25 13:44:47.749409843 +0300
+++ ../test/AbstractSemaphoreTest.php	2026-07-25 13:45:30.946290949 +0300
@@ -6,6 +6,7 @@
 use Revolt\EventLoop;
 use function Amp\async;
 use function Amp\delay;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 abstract class AbstractSemaphoreTest extends AsyncTestCase
 {
@@ -94,7 +95,7 @@
         $lock4->release();
     }
 
-    public function getSemaphoreSizes(): array
+    public static function getSemaphoreSizes(): array
     {
         return [
             [5],
@@ -105,10 +106,9 @@
     }
 
     /**
-     * @dataProvider getSemaphoreSizes
-     *
      * @param int $count Number of locks to test.
      */
+    #[DataProvider('getSemaphoreSizes')]
     public function testAcquireFromMultipleSizeSemaphores(int $count): void
     {
         $this->setMinimumRuntime(0.1);