diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a89ecd8..8e74533 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,9 +16,9 @@ jobs:
             fail-fast: false
             matrix:
                 include:
-                    - { php-version: 8.1, symfony-locked-version: 5.4.*, dependency-version: prefer-stable }
                     - { php-version: 8.1, symfony-locked-version: 6.4.*, dependency-version: prefer-stable }
                     - { php-version: 8.3, symfony-locked-version: 6.4.*, dependency-version: prefer-stable }
+                    - { php-version: 8.3, symfony-locked-version: 7.4.*, dependency-version: prefer-stable }
         name: PHPUnit (PHP ${{matrix.php-version}}, Symfony Version Lock ${{ matrix.symfony-locked-version }}, ${{ matrix.dependency-version }})
         steps:
             -   uses: actions/checkout@v4
diff --git a/composer.json b/composer.json
index 6e3dee2..a42d322 100644
--- a/composer.json
+++ b/composer.json
@@ -25,21 +25,21 @@
         "lib-icu": ">=4.8",
         "jms/parser-lib": "^1.0.0",
         "psr/log": "^1.0",
-        "symfony/config": "^5.0|^6.0",
-        "symfony/dependency-injection": "^5.0|^6.0",
-        "symfony/finder": "^5.0|^6.0",
-        "symfony/framework-bundle": "^5.0|^6.0",
-        "symfony/http-kernel": "^5.0|^6.0",
-        "symfony/translation": "^5.0|^6.0",
+        "symfony/config": "^6.0|^7.0",
+        "symfony/dependency-injection": "^6.0|^7.0",
+        "symfony/finder": "^6.0|^7.0",
+        "symfony/framework-bundle": "^6.0|^7.0",
+        "symfony/http-kernel": "^6.0|^7.0",
+        "symfony/translation": "^6.0|^7.0",
         "symfony/translation-contracts": "^2.0|^3.0",
         "twig/twig": "^1.42|^2.0|^3.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.5 | ^9.0",
         "symfony/monolog-bundle": "^3.4.31",
-        "symfony/phpunit-bridge": ">= 5.0",
-        "symfony/twig-bundle": "^3.4.31|^4.0|^5.0",
-        "symfony/yaml": "^4.4|^5.0"
+        "symfony/phpunit-bridge": "^6.0|^7.0",
+        "symfony/twig-bundle": "^6.0|^7.0",
+        "symfony/yaml": "^6.0|^7.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/DependencyInjection/WebfactoryIcuTranslationExtension.php b/src/DependencyInjection/WebfactoryIcuTranslationExtension.php
index 2949e94..d86499c 100755
--- a/src/DependencyInjection/WebfactoryIcuTranslationExtension.php
+++ b/src/DependencyInjection/WebfactoryIcuTranslationExtension.php
@@ -12,12 +12,7 @@
  */
 class WebfactoryIcuTranslationExtension extends Extension
 {
-    /**
-     * Adds service definitions to the container.
-     *
-     * @param array(string) $config
-     */
-    public function load(array $config, ContainerBuilder $container)
+    public function load(array $configs, ContainerBuilder $container): void
     {
         $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');
diff --git a/tests/Fixtures/config/config.yml b/tests/Fixtures/config/config.yml
index 7eb24d4..c3329b8 100644
--- a/tests/Fixtures/config/config.yml
+++ b/tests/Fixtures/config/config.yml
@@ -1,2 +1,3 @@
 framework:
     secret: dont-tell-mum
+    test: true
diff --git a/tests/Functional/TwigExtensionTest.php b/tests/Functional/TwigExtensionTest.php
index 06bc487..83e8761 100644
--- a/tests/Functional/TwigExtensionTest.php
+++ b/tests/Functional/TwigExtensionTest.php
@@ -15,11 +15,7 @@ class TwigExtensionTest extends KernelTestCase
     protected function setUp(): void
     {
         parent::setUp();
-
-        $kernel = static::bootKernel();
-        $container = $kernel->getContainer();
-
-        $this->twig = $container->get('twig');
+        $this->twig = self::getContainer()->get('twig');
     }
 
     /**