diff --git a/src/MethodMetadata.php b/src/MethodMetadata.php
index 742853a..49da3a2 100644
--- a/src/MethodMetadata.php
+++ b/src/MethodMetadata.php
@@ -72,7 +72,9 @@ private function getReflection(): \ReflectionMethod
     {
         if (null === $this->reflection) {
             $this->reflection = new \ReflectionMethod($this->class, $this->name);
-            $this->reflection->setAccessible(true);
+            if (\PHP_VERSION_ID < 80100) {
+                $this->reflection->setAccessible(true);
+            }
         }
 
         return $this->reflection;
diff --git a/tests/MethodMetadataTest.php b/tests/MethodMetadataTest.php
index 96a2803..8935c55 100644
--- a/tests/MethodMetadataTest.php
+++ b/tests/MethodMetadataTest.php
@@ -14,7 +14,9 @@ public function testConstructor()
     {
         $metadata = new MethodMetadata(TestObject::class, 'setFoo');
         $expectedReflector = new \ReflectionMethod(TestObject::class, 'setFoo');
-        $expectedReflector->setAccessible(true);
+        if (\PHP_VERSION_ID < 80100) {
+            $expectedReflector->setAccessible(true);
+        }
 
         $this->assertEquals(TestObject::class, $metadata->class);
         $this->assertEquals('setFoo', $metadata->name);
@@ -43,7 +45,9 @@ public function testLazyReflectionCreationOnConstruction()
         $metadata = new MethodMetadata(TestObject::class, 'setFoo');
 
         $reflectionProperty = new \ReflectionProperty(MethodMetadata::class, 'reflection');
-        $reflectionProperty->setAccessible(true);
+        if (\PHP_VERSION_ID < 80100) {
+            $reflectionProperty->setAccessible(true);
+        }
 
         $this->assertNull($reflectionProperty->getValue($metadata));
     }
@@ -54,7 +58,9 @@ public function testLazyReflectionCreationOnUnserialize()
         unserialize(serialize($metadata));
 
         $reflectionProperty = new \ReflectionProperty(MethodMetadata::class, 'reflection');
-        $reflectionProperty->setAccessible(true);
+        if (\PHP_VERSION_ID < 80100) {
+            $reflectionProperty->setAccessible(true);
+        }
 
         $this->assertNull($reflectionProperty->getValue($metadata));
     }