diff --git a/README.md b/README.md
index 0ea0122..4386cc8 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ generator can be individually extended and configured by developers.
 ## Installation
 
 ```bash
-$ composer require open-code-modeling/php-code-generator --dev
+composer require open-code-modeling/php-code-generator --dev
 ```
 
 ## Documentation
diff --git a/composer.json b/composer.json
index 8c02a92..25af8ff 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     },
     "require": {
         "php": "^7.3 || ^8.0",
-        "symfony/console": "^4.4 || ^5.0 "
+        "symfony/console": "^5.4 || ^6.3 || ^7.0 "
     },
     "require-dev": {
         "laminas/laminas-filter": "^2.9",
@@ -34,7 +34,7 @@
         "phpstan/phpstan": "^0.12.33",
         "phpstan/phpstan-strict-rules": "^0.12.4",
         "phpunit/phpunit": "^9.2.6",
-        "prooph/php-cs-fixer-config": "^0.3",
+        "prooph/php-cs-fixer-config": "^0.5",
         "roave/security-advisories": "dev-master"
     },
     "minimum-stability": "dev",