--- ../tests/MabeEnumTest/EnumSetTest.php	2026-08-01 14:16:49.941628990 +0300
+++ ../tests/MabeEnumTest/EnumSetTest.php	2026-08-01 14:18:51.737753790 +0300
@@ -15,6 +15,7 @@
 use MabeEnumTest\TestAsset\Enum66;
 use MabeEnumTest\TestAsset\EnumSetExt;
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 /**
  * Unit tests for the class MabeEnum\EnumSet
@@ -170,8 +171,8 @@
 
     /**
      * @param class-string<Enum> $enumeration
-     * @dataProvider getIntegerEnumerations
      */
+    #[DataProvider('getIntegerEnumerations')]
     public function testAddRemove(string $enumeration): void
     {
         $set = new EnumSet($enumeration);
@@ -198,8 +199,8 @@
 
     /**
      * @param class-string<Enum> $enumeration
-     * @dataProvider getIntegerEnumerations
      */
+    #[DataProvider('getIntegerEnumerations')]
     public function testAddRemoveIterable(string $enumeration): void
     {
         $set = new EnumSet($enumeration);
@@ -215,8 +216,8 @@
 
     /**
      * @param class-string<Enum> $enumeration
-     * @dataProvider getIntegerEnumerations
      */
+    #[DataProvider('getIntegerEnumerations')]
     public function testWithWithout(string $enumeration): void
     {
         $set = new EnumSet($enumeration);
@@ -242,8 +243,8 @@
 
     /**
      * @param class-string<Enum> $enumeration
-     * @dataProvider getIntegerEnumerations
      */
+    #[DataProvider('getIntegerEnumerations')]
     public function testWithWithoutIterable(string $enumeration): void
     {
         $set = new EnumSet($enumeration);
@@ -261,7 +262,7 @@
      * Data provider for all available integer enumerators
      * @return array<int, array<int, class-string<Enum>>>
      */
-    public function getIntegerEnumerations(): array
+    public static function getIntegerEnumerations(): array
     {
         return [
             [Enum31::class],
@@ -764,8 +765,8 @@
 
     /**
      * @param class-string<Enum> $enumeration
-     * @dataProvider getIntegerEnumerations
      */
+    #[DataProvider('getIntegerEnumerations')]
     public function testIsEmpty(string $enumeration): void
     {
         $set1 = new EnumSet($enumeration, []);