diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 2d88ce1a..fa883f65 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -56,6 +56,7 @@ public function getConfigTreeBuilder()
 
     private function addConfigNodes($root): void
     {
+        $root->scalarNode('enum_support')->defaultValue(false)->end();
         $this->addHandlersSection($root);
         $this->addSubscribersSection($root);
         $this->addObjectConstructorsSection($root);
diff --git a/DependencyInjection/JMSSerializerExtension.php b/DependencyInjection/JMSSerializerExtension.php
index f5401d32..339e17b1 100644
--- a/DependencyInjection/JMSSerializerExtension.php
+++ b/DependencyInjection/JMSSerializerExtension.php
@@ -11,7 +11,6 @@
 use JMS\Serializer\Handler\SymfonyUidHandler;
 use JMS\Serializer\Metadata\Driver\AttributeDriver\AttributeReader;
 use JMS\Serializer\Metadata\Driver\DocBlockDriver;
-use JMS\Serializer\Metadata\Driver\TypedPropertiesDriver;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\Alias;
@@ -201,8 +200,8 @@ private function loadInternal(array $config, ScopedContainer $container, array $
             $container->removeDefinition('jms_serializer.metadata.doc_block_driver');
         }
 
-        // enable the typed props reader on php 7.4
-        if (PHP_VERSION_ID >= 70400 && class_exists(TypedPropertiesDriver::class)) {
+        // enable the typed props reader on php 7.4+
+        if (PHP_VERSION_ID >= 70400) {
             $container->getDefinition('jms_serializer.metadata.typed_properties_driver')
                 ->setDecoratedService('jms_serializer.metadata_driver')
                 ->setPublic(false);
@@ -210,6 +209,16 @@ private function loadInternal(array $config, ScopedContainer $container, array $
             $container->removeDefinition('jms_serializer.metadata.typed_properties_driver');
         }
 
+        if ($config['enum_support']) {
+            $container->getDefinition('jms_serializer.metadata.enum_driver')
+                ->setDecoratedService('jms_serializer.metadata_driver')
+                ->setPublic(false);
+        } else {
+            $container->removeDefinition('jms_serializer.metadata.enum_driver');
+            $container->removeDefinition('jms_serializer.enum_handler');
+            $container->removeDefinition('jms_serializer.enum_subscriber');
+        }
+
         // enable the attribute reader on php 8
         if (PHP_VERSION_ID >= 80000 && class_exists(AttributeReader::class)) {
             $container->register('jms_serializer.metadata.annotation_and_attributes_reader', AttributeReader::class)
diff --git a/Resources/config/services.xml b/Resources/config/services.xml
index a5b76e99..60cbb2ce 100644
--- a/Resources/config/services.xml
+++ b/Resources/config/services.xml
@@ -35,6 +35,10 @@
             <argument>jms_serializer</argument>
         </service>
 
+        <service id="jms_serializer.enum_subscriber" class="JMS\Serializer\EventDispatcher\Subscriber\EnumSubscriber" public="false">
+            <tag name="jms_serializer.event_subscriber" />
+        </service>
+
         <!-- Handlers -->
         <service id="jms_serializer.handler_registry" class="JMS\Serializer\Handler\LazyHandlerRegistry">
             <argument type="service" id="jms_serializer.handler_registry.service_locator" />
@@ -53,6 +57,10 @@
             <tag name="container.service_locator" />
         </service>
 
+        <service id="jms_serializer.enum_handler" class="JMS\Serializer\Handler\EnumHandler" public="false">
+            <tag name="jms_serializer.subscribing_handler" />
+        </service>
+
         <service id="jms_serializer.array_collection_handler" class="JMS\Serializer\Handler\ArrayCollectionHandler" public="false">
             <argument type="constant">false</argument>
             <tag name="jms_serializer.subscribing_handler" />
@@ -128,6 +136,11 @@
             <argument id="jms_serializer.metadata.typed_properties_driver.inner" type="service"/>
             <argument type="service" id="jms_serializer.type_parser" on-invalid="null" />
         </service>
+
+        <service id="jms_serializer.metadata.enum_driver" class="JMS\Serializer\Metadata\Driver\EnumPropertiesDriver" public="false">
+            <argument id="jms_serializer.metadata.enum_driver.inner" type="service"/>
+        </service>
+
         <service id="jms_serializer.metadata.doc_block_driver" class="JMS\Serializer\Metadata\Driver\DocBlockDriver" public="false">
             <argument id="jms_serializer.metadata.doc_block_driver.inner" type="service"/>
             <argument type="service" id="jms_serializer.type_parser" on-invalid="null" />
diff --git a/Resources/doc/configuration.rst b/Resources/doc/configuration.rst
index 726d4755..7bb5546a 100644
--- a/Resources/doc/configuration.rst
+++ b/Resources/doc/configuration.rst
@@ -195,6 +195,7 @@ values:
         # config.yml
         jms_serializer:
             profiler: %kernel.debug%
+            enum_support: true # BHP 8.1 Enums support, false by default for backward compatibility
             twig_enabled: 'default' # on which instance is twig enabled
             handlers:
                 datetime:
diff --git a/Tests/DependencyInjection/ConfigurationTest.php b/Tests/DependencyInjection/ConfigurationTest.php
index 3f2e634d..55e9fcf9 100644
--- a/Tests/DependencyInjection/ConfigurationTest.php
+++ b/Tests/DependencyInjection/ConfigurationTest.php
@@ -25,7 +25,7 @@ private function getContainer(array $configs = [])
         $container->setParameter('kernel.bundles', $bundles);
         $container->setParameter('kernel.bundles_metadata', array_map(static function (string $class): array {
             return [
-                'path' => (new $class)->getPath(),
+                'path' => (new $class())->getPath(),
                 'namespace' => (new \ReflectionClass($class))->getNamespaceName(),
             ];
         }, $bundles));
diff --git a/Tests/DependencyInjection/Fixture/ObjectUsingEnum.php b/Tests/DependencyInjection/Fixture/ObjectUsingEnum.php
new file mode 100644
index 00000000..87cc3245
--- /dev/null
+++ b/Tests/DependencyInjection/Fixture/ObjectUsingEnum.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace JMS\SerializerBundle\Tests\DependencyInjection\Fixture;
+
+class ObjectUsingEnum
+{
+    private Card $one;
+    private $two;
+    private array $three;
+
+    public function __construct()
+    {
+        $this->one = Card::Black;
+        $this->two = Card::Red;
+        $this->three = [Card::Red, Card::Black];
+    }
+}
+
+enum Card
+{
+    case Black;
+    case Red;
+}
diff --git a/Tests/DependencyInjection/JMSSerializerExtensionTest.php b/Tests/DependencyInjection/JMSSerializerExtensionTest.php
index c980520d..bd9333a6 100644
--- a/Tests/DependencyInjection/JMSSerializerExtensionTest.php
+++ b/Tests/DependencyInjection/JMSSerializerExtensionTest.php
@@ -16,6 +16,7 @@
 use JMS\SerializerBundle\Tests\DependencyInjection\Fixture\CastDateToIntEventSubscriber;
 use JMS\SerializerBundle\Tests\DependencyInjection\Fixture\IncludeInterfaces\AnInterfaceImplementation;
 use JMS\SerializerBundle\Tests\DependencyInjection\Fixture\IncludeInterfaces\AnObject;
+use JMS\SerializerBundle\Tests\DependencyInjection\Fixture\ObjectUsingEnum;
 use JMS\SerializerBundle\Tests\DependencyInjection\Fixture\ObjectUsingExpressionLanguage;
 use JMS\SerializerBundle\Tests\DependencyInjection\Fixture\ObjectUsingExpressionProperties;
 use JMS\SerializerBundle\Tests\DependencyInjection\Fixture\SimpleObject;
@@ -579,6 +580,34 @@ public function testEmptyJsonVisitorOptions()
         ]);
     }
 
+    public function testEnumSupportCanBeEnabled()
+    {
+        if (PHP_VERSION_ID < 80100) {
+            $this->markTestSkipped('Enum is available only on PHP 8.1+');
+        }
+
+        $container = $this->getContainerForConfig([
+            ['enum_support' => true],
+        ]);
+        $serializer = $container->get('jms_serializer');
+
+        $object = new ObjectUsingEnum();
+        $this->assertEquals('{"one":"Black","two":"Red","three":["Red","Black"]}', $serializer->serialize($object, 'json'));
+    }
+
+    public function testEnumSupportIsDisabledByDefault()
+    {
+        if (PHP_VERSION_ID < 80100) {
+            $this->markTestSkipped('Enum is available only on PHP 8.1+');
+        }
+
+        $container = $this->getContainerForConfig([[]]);
+        $serializer = $container->get('jms_serializer');
+
+        $object = new ObjectUsingEnum();
+        $this->assertEquals('{"one":{"name":"Black"},"two":{"name":"Red"},"three":[{"name":"Red"},{"name":"Black"}]}', $serializer->serialize($object, 'json'));
+    }
+
     public function testExpressionLanguage()
     {
         if (!interface_exists('Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface')) {
diff --git a/Tests/DependencyInjection/TwigExtensionPassTest.php b/Tests/DependencyInjection/TwigExtensionPassTest.php
index 98f3cf0c..01d1c945 100644
--- a/Tests/DependencyInjection/TwigExtensionPassTest.php
+++ b/Tests/DependencyInjection/TwigExtensionPassTest.php
@@ -25,7 +25,7 @@ private function getContainer(array $bundles = ['TwigBundle' => TwigBundle::clas
         $container->setParameter('kernel.bundles', $bundles);
         $container->setParameter('kernel.bundles_metadata', array_map(static function (string $class): array {
             return [
-                'path' => (new $class)->getPath(),
+                'path' => (new $class())->getPath(),
                 'namespace' => (new \ReflectionClass($class))->getNamespaceName(),
             ];
         }, $bundles));
diff --git a/Tests/bootstrap.php b/Tests/bootstrap.php
deleted file mode 100644
index 751fa06c..00000000
--- a/Tests/bootstrap.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use Doctrine\Common\Annotations\AnnotationRegistry;
-
-call_user_func(static function () {
-    if (!is_file($autoloadFile = __DIR__ . '/../vendor/autoload.php')) {
-        throw new RuntimeException('Did not find vendor/autoload.php. Did you run "composer install --dev"?');
-    }
-
-    require_once $autoloadFile;
-
-    AnnotationRegistry::registerLoader('class_exists');
-});
diff --git a/composer.json b/composer.json
index 6633a138..13bb1771 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     ],
     "require": {
         "php": "^7.2 || ^8.0",
-        "jms/serializer": "^3.18",
+        "jms/serializer": "^3.20",
         "jms/metadata": "^2.5",
         "symfony/dependency-injection": "^3.4 || ^4.0 || ^5.0 || ^6.0",
         "symfony/framework-bundle": "^3.4 || ^4.0 || ^5.0 || ^6.0"
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 1ea7d9f6..dc1a4f89 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -8,7 +8,7 @@
          processIsolation="false"
          stopOnFailure="false"
          colors="true"
-         bootstrap="Tests/bootstrap.php"
+         bootstrap="vendor/autoload.php"
 >
 
     <testsuites>