diff --git a/.github/workflows/symfony.yml b/.github/workflows/symfony.yml
index bf2cd21..667a2e2 100644
--- a/.github/workflows/symfony.yml
+++ b/.github/workflows/symfony.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        symfony-versions: ['5.4', '6.2', '6.3', '6.4']
+        symfony-versions: ['5.4', '6.2', '6.3', '6.4', '7.0']
         php-versions: ['8.0', '8.1', '8.2', '8.3']
         exclude:
           - operating-system: ubuntu-latest
@@ -33,6 +33,12 @@ jobs:
           - operating-system: ubuntu-latest
             symfony-versions: '6.4'
             php-versions: '8.0'
+          - operating-system: ubuntu-latest
+            symfony-versions: '7.0'
+            php-versions: '8.0'
+          - operating-system: ubuntu-latest
+            symfony-versions: '7.0'
+            php-versions: '8.1'
     name: PHP ${{ matrix.php-versions }} / Symfony ${{ matrix.symfony-versions }} Test on ${{ matrix.operating-system }}
     steps:
     - name: Checkout
diff --git a/Tests/Fixtures/App/AppKernel.php b/Tests/Fixtures/App/AppKernel.php
index 05b18d8..19daabd 100644
--- a/Tests/Fixtures/App/AppKernel.php
+++ b/Tests/Fixtures/App/AppKernel.php
@@ -83,7 +83,7 @@ public function getProjectDir(): string
         return __DIR__;
     }
 
-    protected function build(ContainerBuilder $container)
+    protected function build(ContainerBuilder $container): void
     {
         $container->register('logger', NullLogger::class);
     }
diff --git a/composer.json b/composer.json
index 4be4cd6..0b9b55b 100644
--- a/composer.json
+++ b/composer.json
@@ -14,15 +14,15 @@
     "php": "^8.0",
     "ext-json": "*",
     "promphp/prometheus_client_php": "^2.6",
-    "symfony/http-kernel": "^5.4|^6.2",
-    "symfony/dependency-injection": "^5.4|^6.2",
-    "symfony/config": "^5.4|^6.2"
+    "symfony/http-kernel": "^5.4|^6.2|^7.0",
+    "symfony/dependency-injection": "^5.4|^6.2|^7.0",
+    "symfony/config": "^5.4|^6.2|^7.0"
   },
   "require-dev": {
     "phpunit/phpunit": "^9.0|^10.0",
-    "symfony/yaml": "^5.4|^6.2",
-    "symfony/browser-kit": "^5.4|^6.2",
-    "symfony/framework-bundle": "^5.4|^6.2",
+    "symfony/yaml": "^5.4|^6.2|^7.0",
+    "symfony/browser-kit": "^5.4|^6.2|^7.0",
+    "symfony/framework-bundle": "^5.4|^6.2|^7.0",
     "friendsofphp/php-cs-fixer": "^3.17",
     "escapestudios/symfony2-coding-standard": "^3.11",
     "squizlabs/php_codesniffer": "^3.5"