diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9939033..6326688 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        php-versions: ['7.4', '8.0']
+        php-versions: ['8.0', '8.1', '8.2']
         
     runs-on: ubuntu-latest
 
diff --git a/composer.json b/composer.json
index 62e6519..d47afd2 100644
--- a/composer.json
+++ b/composer.json
@@ -16,15 +16,15 @@
     }
   ],
   "require": {
-    "php": "^7.4 || ^8.0",
-    "doctrine/annotations": "^1.0.0",
-    "laminas/laminas-code": "^4.0.0",
+    "php": ">=8.0",
+    "doctrine/annotations": "^2.0.0",
+    "laminas/laminas-code": "^4.7.0",
     "psr/log": "^1.0.0"
   },
   "require-dev": {
-    "ocramius/proxy-manager": "^2.1.0",
+    "friendsofphp/proxy-manager-lts": "^1.0",
     "phpunit/phpunit": "^9.0.0",
-    "roave/better-reflection": "^4.0.0 || ^5.0.0"
+    "roave/better-reflection": "^5.0.0"
   },
   "suggest": {
     "ocramius/proxy-manager": "For lazy loading"
diff --git a/test/rg/injektor/DependencyInjectionContainerTest.php b/test/rg/injektor/DependencyInjectionContainerTest.php
index 2308054..1975456 100644
--- a/test/rg/injektor/DependencyInjectionContainerTest.php
+++ b/test/rg/injektor/DependencyInjectionContainerTest.php
@@ -10,7 +10,6 @@
 namespace rg\injektor;
 
 use PHPUnit\Framework\TestCase;
-use const PHP_VERSION_ID;
 
 include_once 'test_classes.php';
 
@@ -844,9 +843,6 @@ public function test_getInstanceOfClass_givenClassWithTypedProperties_injectsCor
     }
 
     public function test_getInstanceOfClass_givenClassWithUnionTypedProperties_injectsCorrectClassesIntoProperties() {
-        if (PHP_VERSION_ID < 80000) {
-            $this->markTestSkipped('Needs PHP 8.0 or higher');
-        }
         include_once 'test_classes_php80.php';
 
         $config = new Configuration(null, __DIR__ . '/_factories');
diff --git a/test/rg/injektor/FactoryOnlyDependencyInjectionContainerTest.php b/test/rg/injektor/FactoryOnlyDependencyInjectionContainerTest.php
index 130843f..fc43fb2 100644
--- a/test/rg/injektor/FactoryOnlyDependencyInjectionContainerTest.php
+++ b/test/rg/injektor/FactoryOnlyDependencyInjectionContainerTest.php
@@ -12,6 +12,7 @@
 use rg\injektor\generators\WritingFactoryGenerator;
 use Roave\BetterReflection\BetterReflection;
 use Roave\BetterReflection\SourceLocator\Type\SingleFileSourceLocator;
+use Roave\BetterReflection\Reflector\DefaultReflector;
 use function class_exists;
 
 require_once 'DependencyInjectionContainerTest.php';
@@ -51,14 +52,9 @@ private function processClassesOfFile(string $fileName, WritingFactoryGenerator
         require_once $fileName;
 
         $astLocator = (new BetterReflection())->astLocator();
-        // bc break between v4 and v5. Can be switched to DefaultReflector fully when min version is PHP 8.0
-        if (class_exists(\Roave\BetterReflection\Reflector\ClassReflector::class)) {
-            $reflector  = new \Roave\BetterReflection\Reflector\ClassReflector(new SingleFileSourceLocator($fileName, $astLocator));
-            $classes = $reflector->getAllClasses();
-        } else {
-            $reflector  = new \Roave\BetterReflection\Reflector\DefaultReflector(new SingleFileSourceLocator($fileName, $astLocator));
-            $classes = $reflector->reflectAllClasses();
-        }
+        $reflector  = new DefaultReflector(new SingleFileSourceLocator($fileName, $astLocator));
+        $classes = $reflector->reflectAllClasses();
+
         foreach ($classes as $class) {
             $generator->processFileForClass($class->getName());
         }