diff --git a/composer.json b/composer.json
index db3d15a6..5821d554 100644
--- a/composer.json
+++ b/composer.json
@@ -33,6 +33,7 @@
     "require-dev": {
         "bamarni/composer-bin-plugin": "^1.3",
         "ergebnis/composer-normalize": "^2.0.1",
+        "knplabs/knp-menu-bundle": "^2.3 || ^3.0",
         "symfony/browser-kit": "^4.4 || ^5.0",
         "symfony/translation": "^4.2 || ^5.0"
     },
diff --git a/src/DependencyInjection/NucleosMenuExtension.php b/src/DependencyInjection/NucleosMenuExtension.php
index eba3fb16..ee419929 100644
--- a/src/DependencyInjection/NucleosMenuExtension.php
+++ b/src/DependencyInjection/NucleosMenuExtension.php
@@ -23,7 +23,7 @@ final class NucleosMenuExtension extends Extension
      */
     public function load(array $configs, ContainerBuilder $container): void
     {
-        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader = new Loader\PhpFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.php');
 
         $configuration = new Configuration();
diff --git a/tests/App/AppKernel.php b/tests/App/AppKernel.php
index 165bab90..3ca066fa 100644
--- a/tests/App/AppKernel.php
+++ b/tests/App/AppKernel.php
@@ -11,6 +11,7 @@
 
 namespace Nucleos\MenuBundle\Tests\App;
 
+use Knp\Bundle\MenuBundle\KnpMenuBundle;
 use Nucleos\MenuBundle\NucleosMenuBundle;
 use Nucleos\MenuBundle\Tests\App\Controller\TwigTestController;
 use Sonata\BlockBundle\SonataBlockBundle;
@@ -36,6 +37,7 @@ public function registerBundles()
         yield new FrameworkBundle();
         yield new TwigBundle();
         yield new SonataBlockBundle();
+        yield new KnpMenuBundle();
         yield new NucleosMenuBundle();
     }