diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index a64e98e..d9032f4 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -4,4 +4,4 @@ parameters:
         - tests/
 
 includes:
-    - vendor/assoconnect/php-quality-config/phpstan.extension.neon
\ No newline at end of file
+    - vendor/assoconnect/php-quality-config/phpstan.extension.neon
diff --git a/src/Normalizer/AbsolutePercentValueNormalizer.php b/src/Normalizer/AbsolutePercentValueNormalizer.php
index 372661b..235caba 100644
--- a/src/Normalizer/AbsolutePercentValueNormalizer.php
+++ b/src/Normalizer/AbsolutePercentValueNormalizer.php
@@ -47,9 +47,7 @@ public function supportsNormalization(mixed $data, ?string $format = null, array
         return $data instanceof AbsolutePercentValue;
     }
 
-    /**
-     * @inheritDoc
-     */
+    /** @phpstan-ignore method.childReturnType */
     public function denormalize(
         mixed $data,
         string $type,
diff --git a/tests/Normalizer/AbsolutePercentValueNormalizerTest.php b/tests/Normalizer/AbsolutePercentValueNormalizerTest.php
index 746052e..7c242f4 100644
--- a/tests/Normalizer/AbsolutePercentValueNormalizerTest.php
+++ b/tests/Normalizer/AbsolutePercentValueNormalizerTest.php
@@ -20,7 +20,7 @@ protected function setUp(): void
     }
 
     /** @return iterable<mixed> */
-    public function providerSupportsNormalization(): iterable
+    public static function providerSupportsNormalization(): iterable
     {
         yield [new AbsolutePercentValue(AbsolutePercentValue::TYPE_ABSOLUTE, '20000'), true];
         yield [new \stdClass(), false];
@@ -49,7 +49,7 @@ public function testNormalize(): void
     }
 
     /** @return iterable<mixed> */
-    public function providerSupportsDenormalization(): iterable
+    public static function providerSupportsDenormalization(): iterable
     {
         yield [AbsolutePercentValue::class, true];
         yield [\stdClass::class, false];
@@ -73,7 +73,7 @@ public function testDenormalizeFailure(mixed $data): void
     }
 
     /** @return iterable<mixed> */
-    public function providerTestDenormalize(): iterable
+    public static function providerTestDenormalize(): iterable
     {
         yield [''];
         yield [null];
diff --git a/tests/Object/AbsolutePercentValueTest.php b/tests/Object/AbsolutePercentValueTest.php
index 59ab808..1fd0146 100644
--- a/tests/Object/AbsolutePercentValueTest.php
+++ b/tests/Object/AbsolutePercentValueTest.php
@@ -75,7 +75,7 @@ public function testConstructSuccess(string $type): void
     }
 
     /** @return iterable<mixed> */
-    public function providerTypes(): iterable
+    public static function providerTypes(): iterable
     {
         yield [AbsolutePercentValue::TYPE_PERCENT];
         yield [AbsolutePercentValue::TYPE_ABSOLUTE];