diff --git a/DependencyInjection/BazingaJsTranslationExtension.php b/DependencyInjection/BazingaJsTranslationExtension.php
index 2859b28a..e976804c 100644
--- a/DependencyInjection/BazingaJsTranslationExtension.php
+++ b/DependencyInjection/BazingaJsTranslationExtension.php
@@ -4,7 +4,7 @@
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Extension\Extension;
-use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\Config\Definition\Processor;
 
@@ -22,9 +22,9 @@ public function load(array $configs, ContainerBuilder $container): void
         $configuration = new Configuration($container->getParameter('kernel.debug'));
         $config = $processor->processConfiguration($configuration, $configs);
 
-        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
-        $loader->load('services.xml');
-        $loader->load('controllers.xml');
+        $loader = new PhpFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader->load('services.php');
+        $loader->load('controllers.php');
 
         $container
             ->getDefinition('bazinga.jstranslation.controller')
diff --git a/Resources/config/controllers.php b/Resources/config/controllers.php
new file mode 100644
index 00000000..7d0a19e6
--- /dev/null
+++ b/Resources/config/controllers.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+    $parameters->set('bazinga.jstranslation.controller.class', \Bazinga\Bundle\JsTranslationBundle\Controller\Controller::class);
+
+    $services->set('bazinga.jstranslation.controller', '%bazinga.jstranslation.controller.class%')
+        ->public()
+        ->args([
+            service('translator'),
+            service('twig'),
+            service('bazinga.jstranslation.translation_finder'),
+            '%kernel.cache_dir%/bazinga-js-translation',
+            '%kernel.debug%',
+            abstract_arg('fallback (locale)'),
+            abstract_arg('default domain'),
+            abstract_arg('http cache time')
+        ]);
+};
diff --git a/Resources/config/controllers.xml b/Resources/config/controllers.xml
deleted file mode 100644
index 86080cda..00000000
--- a/Resources/config/controllers.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" ?>
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <parameters>
-        <parameter key="bazinga.jstranslation.controller.class">Bazinga\Bundle\JsTranslationBundle\Controller\Controller</parameter>
-    </parameters>
-
-    <services>
-        <service id="bazinga.jstranslation.controller" class="%bazinga.jstranslation.controller.class%" public="true">
-            <argument type="service" id="translator" />
-            <argument type="service" id="twig" />
-            <argument type="service" id="bazinga.jstranslation.translation_finder" />
-            <argument>%kernel.cache_dir%/bazinga-js-translation</argument>
-            <argument>%kernel.debug%</argument>
-            <argument></argument> <!-- fallback (locale) -->
-            <argument></argument> <!-- default domain    -->
-            <argument></argument> <!-- http cache time -->
-        </service>
-    </services>
-</container>
diff --git a/Resources/config/services.php b/Resources/config/services.php
new file mode 100644
index 00000000..6d5c3397
--- /dev/null
+++ b/Resources/config/services.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+    $parameters->set('bazinga.jstranslation.translation_finder.class', \Bazinga\Bundle\JsTranslationBundle\Finder\TranslationFinder::class);
+    $parameters->set('bazinga.jstranslation.translation_dumper.class', \Bazinga\Bundle\JsTranslationBundle\Dumper\TranslationDumper::class);
+
+    $services->set('bazinga.jstranslation.translation_finder', '%bazinga.jstranslation.translation_finder.class%')
+        ->public()
+        ->args([[]]); // all resource files paths from the framework bundle
+
+    $services->set('bazinga.jstranslation.translation_dumper', '%bazinga.jstranslation.translation_dumper.class%')
+        ->public()
+        ->args([
+            service('twig'),
+            service('bazinga.jstranslation.translation_finder'),
+            service('filesystem'),
+            abstract_arg('fallback (locale)'),
+            abstract_arg('default domain'),
+            abstract_arg('active locales'),
+            abstract_arg('active domains')
+        ]);
+
+    $services->set('bazinga.jstranslation.dump_command', \Bazinga\Bundle\JsTranslationBundle\Command\DumpCommand::class)
+        ->public()
+        ->args([
+            service('bazinga.jstranslation.translation_dumper'),
+            '%kernel.project_dir%',
+        ])
+        ->tag('console.command', ['command' => 'bazinga:js-translation:dump']);
+};
diff --git a/Resources/config/services.xml b/Resources/config/services.xml
deleted file mode 100644
index f2fa955a..00000000
--- a/Resources/config/services.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" ?>
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <parameters>
-        <parameter key="bazinga.jstranslation.translation_finder.class">Bazinga\Bundle\JsTranslationBundle\Finder\TranslationFinder</parameter>
-        <parameter key="bazinga.jstranslation.translation_dumper.class">Bazinga\Bundle\JsTranslationBundle\Dumper\TranslationDumper</parameter>
-    </parameters>
-
-    <services>
-        <service id="bazinga.jstranslation.translation_finder" class="%bazinga.jstranslation.translation_finder.class%" public="true">
-            <argument type="collection"></argument> <!-- all resource files paths from the framework bundle -->
-        </service>
-        <service id="bazinga.jstranslation.translation_dumper" class="%bazinga.jstranslation.translation_dumper.class%" public="true">
-            <argument type="service" id="twig" />
-            <argument type="service" id="bazinga.jstranslation.translation_finder" />
-            <argument type="service" id="filesystem" />
-            <argument></argument> <!-- fallback (locale) -->
-            <argument></argument> <!-- default domain    -->
-            <argument></argument> <!-- active locales -->
-            <argument></argument> <!-- active domains -->
-        </service>
-        <service id="bazinga.jstranslation.dump_command" class="Bazinga\Bundle\JsTranslationBundle\Command\DumpCommand" public="true">
-            <argument type="service" id="bazinga.jstranslation.translation_dumper" />
-            <argument>%kernel.project_dir%</argument>
-            <tag name="console.command" command="bazinga:js-translation:dump" />
-        </service>
-    </services>
-</container>
diff --git a/composer.json b/composer.json
index 258d5ea8..da6e8893 100644
--- a/composer.json
+++ b/composer.json
@@ -12,19 +12,20 @@
     ],
     "require": {
         "php": ">=7.4",
-        "symfony/framework-bundle": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/finder": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/console": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/intl": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/translation":  "~4.4|~5.0|~6.0|~7.0",
-        "symfony/twig-bundle": "~4.4|~5.0|~6.0|~7.0"
+        "symfony/dependency-injection": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/framework-bundle": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/finder": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/console": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/intl": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/translation":  "~5.4|~6.0|~7.0|~8.0",
+        "symfony/twig-bundle": "~5.4|~6.0|~7.0|~8.0"
     },
     "require-dev": {
-        "symfony/asset": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/filesystem": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/yaml": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/browser-kit": "~4.4|~5.0|~6.0|~7.0",
-        "symfony/phpunit-bridge": "^5.0|^6.0|~7.0",
+        "symfony/asset": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/filesystem": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/yaml": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/browser-kit": "~5.4|~6.0|~7.0|~8.0",
+        "symfony/phpunit-bridge": "^5.4|^6.0|~7.0|~8.0",
         "phpunit/phpunit": "^4.8|~5.7|~6.5|~8"
     },
     "replace": {