diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 1172921..bc00ac8 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -17,14 +17,14 @@ jobs:
         runs-on: ubuntu-latest
         timeout-minutes: 15
         steps:
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@v5
               with:
                   fetch-depth: 0
                   submodules: 1
 
             - uses: shivammathur/setup-php@v2
               with:
-                  php-version: 8.3
+                  php-version: 8.5
                   tools: composer:v2
                   ini-file: development
 
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 97c8695..fd51267 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -15,6 +15,7 @@
         '@Symfony:risky' => true,
 
         // Override Symfony config
+        'declare_strict_types' => false,
         'method_argument_space' => [
             'after_heredoc' => true,
             'on_multiline' => 'ensure_fully_multiline',
diff --git a/composer.json b/composer.json
index 57a68cf..7ee5749 100644
--- a/composer.json
+++ b/composer.json
@@ -13,15 +13,15 @@
         "php": ">=8.0",
         "ext-json": "*",
         "guzzlehttp/guzzle": "^7.0",
-        "symfony/config": "^5.4 || ^6.0 || ^7.0",
-        "symfony/dependency-injection": "^5.4 || ^6.0 || ^7.0",
-        "symfony/http-kernel": "^5.4 || ^6.0 || ^7.0"
+        "symfony/config": "^5.4 || ^6.0 || ^7.0 || ^8.0",
+        "symfony/dependency-injection": "^5.4 || ^6.0 || ^7.0 || ^8.0",
+        "symfony/http-kernel": "^5.4 || ^6.0 || ^7.0 || ^8.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "3.60.*",
-        "phpstan/phpstan": "1.11.*",
-        "phpstan/phpstan-strict-rules": "1.6.*",
-        "phpstan/phpstan-symfony": "1.4.*"
+        "friendsofphp/php-cs-fixer": "3.95.*",
+        "phpstan/phpstan": "2.1.*",
+        "phpstan/phpstan-strict-rules": "2.0.*",
+        "phpstan/phpstan-symfony": "2.0.*"
     },
     "autoload": {
         "psr-4": {