diff --git a/src/DependencyInjection/UnleashClientExtension.php b/src/DependencyInjection/UnleashClientExtension.php
new file mode 100644
index 0000000..ff4982a
--- /dev/null
+++ b/src/DependencyInjection/UnleashClientExtension.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace Unleash\Client\Bundle\DependencyInjection;
+
+use Exception;
+use ReflectionClass;
+use ReflectionException;
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Extension\Extension;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+use Twig\Extension\ExtensionInterface;
+use Unleash\Client\Strategy\StrategyHandler;
+
+/**
+ * @internal
+ */
+final class UnleashClientExtension extends Extension
+{
+    /**
+     * @param array<string,mixed> $configs
+     *
+     * @throws Exception
+     */
+    public function load(array $configs, ContainerBuilder $container): void
+    {
+        $loader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
+        $loader->load('services.yaml');
+        $loader->load('autowiring.yaml');
+        if (interface_exists(ExtensionInterface::class)) {
+            $loader->load('twig.yaml');
+        }
+
+        $configs = $this->processConfiguration($this->getConfiguration([], $container), $configs);
+        $container->setParameter('unleash.client.internal.service_configs', [
+            'http_client_service' => $configs['http_client_service'],
+            'request_factory_service' => $configs['request_factory_service'],
+            'cache_service' => $configs['cache_service'],
+        ]);
+        $container->setParameter('unleash.client.internal.app_url', $configs['app_url'] ?? '');
+        $container->setParameter('unleash.client.internal.instance_id', $configs['instance_id'] ?? '');
+        $container->setParameter('unleash.client.internal.app_name', $configs['app_name'] ?? '');
+        $container->setParameter('unleash.client.internal.cache_ttl', $configs['cache_ttl']);
+        $container->setParameter('unleash.client.internal.metrics_send_interval', $configs['metrics_send_interval']);
+        $container->setParameter('unleash.client.internal.metrics_enabled', $configs['metrics_enabled']);
+        $container->setParameter('unleash.client.internal.custom_headers', $configs['custom_headers']);
+        $container->setParameter('unleash.client.internal.auto_registration', $configs['auto_registration']);
+        $container->setParameter('unleash.client.internal.user_id_field', $configs['context']['user_id_field']);
+        $container->setParameter('unleash.client.internal.custom_properties', $configs['context']['custom_properties']);
+        $container->setParameter('unleash.client.internal.twig_functions_enabled', $configs['twig']['functions']);
+        $container->setParameter('unleash.client.internal.twig_filters_enabled', $configs['twig']['filters']);
+        $container->setParameter('unleash.client.internal.twig_tests_enabled', $configs['twig']['tests']);
+        $container->setParameter('unleash.client.internal.twig_tags_enabled', $configs['twig']['tags']);
+        $container->setParameter('unleash.client.internal.disabled_strategies', $configs['disabled_strategies']);
+        $container->setParameter('unleash.client.internal.bootstrap', $configs['bootstrap']);
+        $container->setParameter('unleash.client.internal.fetching_enabled', $configs['fetching_enabled']);
+        $container->setParameter('unleash.client.internal.stale_ttl', $configs['stale_ttl']);
+
+        if (class_exists(ExpressionLanguage::class)) {
+            $definition = new Definition(ExpressionLanguage::class);
+            $container->setDefinition('unleash.client.internal.expression_language', $definition);
+        }
+    }
+
+    /**
+     * @param array<mixed> $config
+     *
+     * @throws ReflectionException
+     */
+    public function getConfiguration(array $config, ContainerBuilder $container): Configuration
+    {
+        $loader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
+        $loader->load('services.yaml');
+
+        $handlerNames = [];
+        foreach ($this->getDefaultStrategyHandlers($container) as $defaultStrategyHandler) {
+            $reflection = new ReflectionClass($defaultStrategyHandler);
+            $instance = $reflection->newInstanceWithoutConstructor();
+            assert($instance instanceof StrategyHandler);
+            $handlerNames[] = $instance->getStrategyName();
+        }
+
+        return new Configuration($handlerNames);
+    }
+
+    /**
+     * @return array<string,string>
+     */
+    private function getDefaultStrategyHandlers(ContainerBuilder $container): array
+    {
+        $result = [];
+        foreach ($container->findTaggedServiceIds('unleash.client.built_in_strategy_handler') as $handler => $tags) {
+            $definition = $container->getDefinition($handler);
+            $class = $definition->getClass();
+            assert(is_string($class));
+            $result[$handler] = $class;
+        }
+
+        return $result;
+    }
+}
diff --git a/src/DependencyInjection/UnleashSymfonyClientExtension.php b/src/DependencyInjection/UnleashSymfonyClientExtension.php
index 19e92aa..9a23731 100644
--- a/src/DependencyInjection/UnleashSymfonyClientExtension.php
+++ b/src/DependencyInjection/UnleashSymfonyClientExtension.php
@@ -1,103 +1,3 @@
 <?php
 
-namespace Unleash\Client\Bundle\DependencyInjection;
-
-use Exception;
-use ReflectionClass;
-use ReflectionException;
-use Symfony\Component\Config\FileLocator;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Definition;
-use Symfony\Component\DependencyInjection\Extension\Extension;
-use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
-use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
-use Twig\Extension\ExtensionInterface;
-use Unleash\Client\Strategy\StrategyHandler;
-
-/**
- * @todo Make internal in next major
- */
-final class UnleashSymfonyClientExtension extends Extension
-{
-    /**
-     * @param array<string,mixed> $configs
-     *
-     * @throws Exception
-     */
-    public function load(array $configs, ContainerBuilder $container): void
-    {
-        $loader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
-        $loader->load('services.yaml');
-        $loader->load('autowiring.yaml');
-        if (interface_exists(ExtensionInterface::class)) {
-            $loader->load('twig.yaml');
-        }
-
-        $configs = $this->processConfiguration($this->getConfiguration([], $container), $configs);
-        $container->setParameter('unleash.client.internal.service_configs', [
-            'http_client_service' => $configs['http_client_service'],
-            'request_factory_service' => $configs['request_factory_service'],
-            'cache_service' => $configs['cache_service'],
-        ]);
-        $container->setParameter('unleash.client.internal.app_url', $configs['app_url'] ?? '');
-        $container->setParameter('unleash.client.internal.instance_id', $configs['instance_id'] ?? '');
-        $container->setParameter('unleash.client.internal.app_name', $configs['app_name'] ?? '');
-        $container->setParameter('unleash.client.internal.cache_ttl', $configs['cache_ttl']);
-        $container->setParameter('unleash.client.internal.metrics_send_interval', $configs['metrics_send_interval']);
-        $container->setParameter('unleash.client.internal.metrics_enabled', $configs['metrics_enabled']);
-        $container->setParameter('unleash.client.internal.custom_headers', $configs['custom_headers']);
-        $container->setParameter('unleash.client.internal.auto_registration', $configs['auto_registration']);
-        $container->setParameter('unleash.client.internal.user_id_field', $configs['context']['user_id_field']);
-        $container->setParameter('unleash.client.internal.custom_properties', $configs['context']['custom_properties']);
-        $container->setParameter('unleash.client.internal.twig_functions_enabled', $configs['twig']['functions']);
-        $container->setParameter('unleash.client.internal.twig_filters_enabled', $configs['twig']['filters']);
-        $container->setParameter('unleash.client.internal.twig_tests_enabled', $configs['twig']['tests']);
-        $container->setParameter('unleash.client.internal.twig_tags_enabled', $configs['twig']['tags']);
-        $container->setParameter('unleash.client.internal.disabled_strategies', $configs['disabled_strategies']);
-        $container->setParameter('unleash.client.internal.bootstrap', $configs['bootstrap']);
-        $container->setParameter('unleash.client.internal.fetching_enabled', $configs['fetching_enabled']);
-        $container->setParameter('unleash.client.internal.stale_ttl', $configs['stale_ttl']);
-
-        if (class_exists(ExpressionLanguage::class)) {
-            $definition = new Definition(ExpressionLanguage::class);
-            $container->setDefinition('unleash.client.internal.expression_language', $definition);
-        }
-    }
-
-    /**
-     * @param array<mixed> $config
-     *
-     * @throws ReflectionException
-     */
-    public function getConfiguration(array $config, ContainerBuilder $container): Configuration
-    {
-        $loader = new YamlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
-        $loader->load('services.yaml');
-
-        $handlerNames = [];
-        foreach ($this->getDefaultStrategyHandlers($container) as $defaultStrategyHandler) {
-            $reflection = new ReflectionClass($defaultStrategyHandler);
-            $instance = $reflection->newInstanceWithoutConstructor();
-            assert($instance instanceof StrategyHandler);
-            $handlerNames[] = $instance->getStrategyName();
-        }
-
-        return new Configuration($handlerNames);
-    }
-
-    /**
-     * @return array<string,string>
-     */
-    private function getDefaultStrategyHandlers(ContainerBuilder $container): array
-    {
-        $result = [];
-        foreach ($container->findTaggedServiceIds('unleash.client.built_in_strategy_handler') as $handler => $tags) {
-            $definition = $container->getDefinition($handler);
-            $class = $definition->getClass();
-            assert(is_string($class));
-            $result[$handler] = $class;
-        }
-
-        return $result;
-    }
-}
+class_alias('\Unleash\Client\Bundle\DependencyInjection\UnleashClientExtension', '\Unleash\Client\Bundle\DependencyInjection\UnleashSymfonyClientExtension');
diff --git a/src/UnleashClientBundle.php b/src/UnleashClientBundle.php
new file mode 100644
index 0000000..0707a6e
--- /dev/null
+++ b/src/UnleashClientBundle.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Unleash\Client\Bundle;
+
+use Symfony\Component\DependencyInjection\Compiler\PassConfig;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+use Unleash\Client\Bootstrap\BootstrapProvider;
+use Unleash\Client\Bundle\DependencyInjection\Compiler\BootstrapResolver;
+use Unleash\Client\Bundle\DependencyInjection\Compiler\CacheServiceResolverCompilerPass;
+use Unleash\Client\Bundle\DependencyInjection\Compiler\HttpServicesResolverCompilerPass;
+use Unleash\Client\Strategy\StrategyHandler;
+
+final class UnleashClientBundle extends Bundle
+{
+    public function build(ContainerBuilder $container): void
+    {
+        $container->registerForAutoconfiguration(StrategyHandler::class)
+            ->addTag('unleash.client.strategy_handler');
+        $container->registerForAutoconfiguration(BootstrapProvider::class)
+            ->addTag('unleash.client.bootstrap_provider');
+
+        $container->addCompilerPass(
+            new HttpServicesResolverCompilerPass(),
+            PassConfig::TYPE_BEFORE_OPTIMIZATION,
+            -100_000
+        );
+        $container->addCompilerPass(
+            new CacheServiceResolverCompilerPass(),
+            PassConfig::TYPE_OPTIMIZE
+        );
+        $container->addCompilerPass(new BootstrapResolver());
+    }
+}
diff --git a/src/UnleashSymfonyClientBundle.php b/src/UnleashSymfonyClientBundle.php
index 0279e05..5c72219 100644
--- a/src/UnleashSymfonyClientBundle.php
+++ b/src/UnleashSymfonyClientBundle.php
@@ -1,34 +1,3 @@
 <?php
 
-namespace Unleash\Client\Bundle;
-
-use Symfony\Component\DependencyInjection\Compiler\PassConfig;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\HttpKernel\Bundle\Bundle;
-use Unleash\Client\Bootstrap\BootstrapProvider;
-use Unleash\Client\Bundle\DependencyInjection\Compiler\BootstrapResolver;
-use Unleash\Client\Bundle\DependencyInjection\Compiler\CacheServiceResolverCompilerPass;
-use Unleash\Client\Bundle\DependencyInjection\Compiler\HttpServicesResolverCompilerPass;
-use Unleash\Client\Strategy\StrategyHandler;
-
-final class UnleashSymfonyClientBundle extends Bundle
-{
-    public function build(ContainerBuilder $container): void
-    {
-        $container->registerForAutoconfiguration(StrategyHandler::class)
-            ->addTag('unleash.client.strategy_handler');
-        $container->registerForAutoconfiguration(BootstrapProvider::class)
-            ->addTag('unleash.client.bootstrap_provider');
-
-        $container->addCompilerPass(
-            new HttpServicesResolverCompilerPass(),
-            PassConfig::TYPE_BEFORE_OPTIMIZATION,
-            -100_000
-        );
-        $container->addCompilerPass(
-            new CacheServiceResolverCompilerPass(),
-            PassConfig::TYPE_OPTIMIZE
-        );
-        $container->addCompilerPass(new BootstrapResolver());
-    }
-}
+class_alias('\Unleash\Client\Bundle\UnleashClientBundle', '\Unleash\Client\Bundle\UnleashSymfonyClientBundle');