diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 690ec0e..08fbbd5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,10 +14,16 @@ jobs:
       matrix:
         php-versions: ['8.0', '8.1', '8.2', '8.3']
         coverage: ['pcov']
+        code-style: ['no']
         code-analysis: ['no']
         include:
           - php-versions: '7.4'
             coverage: 'none'
+            code-style: 'yes'
+            code-analysis: 'yes'
+          - php-versions: '8.4'
+            coverage: 'none'
+            code-style: 'no'
             code-analysis: 'yes'
     steps:
       - name: Checkout
@@ -48,8 +54,8 @@ jobs:
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Code Analysis (PHP CS-Fixer)
-        if: matrix.code-analysis == 'yes'
-        run: php vendor/bin/php-cs-fixer fix --dry-run --diff
+        if: matrix.code-style == 'yes'
+        run: PHP_CS_FIXER_IGNORE_ENV=true php vendor/bin/php-cs-fixer fix --dry-run --diff
 
       - name: Code Analysis (PHPStan)
         if: matrix.code-analysis == 'yes'
diff --git a/composer.json b/composer.json
index ccab9bf..2d26c23 100644
--- a/composer.json
+++ b/composer.json
@@ -37,11 +37,11 @@
         }
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.56",
-        "phpstan/phpstan": "^1.11",
+        "friendsofphp/php-cs-fixer": "^3.64",
+        "phpstan/phpstan": "^1.12",
         "phpstan/phpstan-phpunit": "^1.4",
         "phpstan/phpstan-strict-rules": "^1.6",
-        "phpstan/extension-installer": "^1.3",
+        "phpstan/extension-installer": "^1.4",
         "phpunit/phpunit" : "^9.6"
     },
     "scripts": {