diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a3589fc..4e7216d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        php-versions: ['8.0', '8.1', '8.2']
+        php-versions: ['8.1', '8.2']
         dependency-versions: ['lowest', 'highest']
         
     runs-on: ubuntu-latest
diff --git a/README.md b/README.md
index cd22eeb..a1fb93c 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,9 @@ the use of reflection on production.
 
 # Prerequisites
 
-This library needs PHP 8.0+.
+This library needs PHP 8.1+.
 
-It has been tested using PHP 8.0 - PHP 8.1 - PHP 8.2.
+It has been tested using PHP 8.1 and PHP 8.2.
 
 
 # Installation
@@ -143,12 +143,7 @@ class GenerateDependencyInjectionFactories extends \Symfony\Component\Console\Co
         require_once $fullpath;
 
         $astLocator = (new \Roave\BetterReflection\BetterReflection())->astLocator();
-        
-        // for roave/better-reflection 4.x (PHP 7.4)
-        $reflector  = new \Roave\BetterReflection\Reflector\ClassReflector(new Roave\BetterReflection\SourceLocator\Type\SingleFileSourceLocator($fileName, $astLocator));
-        $classes = $reflector->getAllClasses();
 
-        // for roave/better-reflection 5.x (PHP 8.0)
         $reflector  = new \Roave\BetterReflection\Reflector\DefaultReflector(new Roave\BetterReflection\SourceLocator\Type\SingleFileSourceLocator($fileName, $astLocator));
         $classes = $reflector->reflectAllClasses();
 
diff --git a/composer.json b/composer.json
index 999af67..08e6003 100644
--- a/composer.json
+++ b/composer.json
@@ -16,9 +16,9 @@
     }
   ],
   "require": {
-    "php": ">=8.0",
+    "php": ">=8.1",
     "doctrine/annotations": "^1.12|^2.0.0",
-    "rg/laminas-code": "4.7.4",
+    "laminas/laminas-code": "^4.13",
     "psr/log": "^1.0.0"
   },
   "require-dev": {