diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index cd083ec7..ad6af891 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
@@ -41,7 +41,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "Cache dependencies"
-        uses: "actions/cache@v2"
+        uses: "actions/cache@v3"
         with:
           path: |
             ~/.composer/cache
diff --git a/src/ProxyManager/Generator/MethodGenerator.php b/src/ProxyManager/Generator/MethodGenerator.php
index a259b9c8..3c612144 100644
--- a/src/ProxyManager/Generator/MethodGenerator.php
+++ b/src/ProxyManager/Generator/MethodGenerator.php
@@ -6,6 +6,7 @@
 
 use Laminas\Code\Generator\DocBlockGenerator;
 use Laminas\Code\Generator\MethodGenerator as LaminasMethodGenerator;
+use Laminas\Code\Generator\ParameterGenerator;
 use Laminas\Code\Reflection\MethodReflection;
 use ReflectionException;
 use ReflectionMethod;
@@ -23,7 +24,7 @@ class MethodGenerator extends LaminasMethodGenerator
     public static function fromReflectionWithoutBodyAndDocBlock(MethodReflection $reflectionMethod): self
     {
         /** @var static $method */
-        $method = parent::copyMethodSignature($reflectionMethod);
+        $method = static::copyMethodSignature($reflectionMethod);
 
         $method->setInterface(false);
         $method->setBody('');
@@ -55,6 +56,19 @@ public static function fromReflectionWithoutBodyAndDocBlock(MethodReflection $re
         return $method;
     }
 
+    public static function copyMethodSignature(MethodReflection $reflectionMethod): parent
+    {
+        $method = parent::copyMethodSignature($reflectionMethod);
+
+        foreach ($reflectionMethod->getParameters() as $reflectionParameter) {
+            $method->setParameter(
+                ParameterGenerator::fromReflection($reflectionParameter)
+            );
+        }
+
+        return $method;
+    }
+
     public function getDocBlock(): ?DocBlockGenerator
     {
         $docBlock = parent::getDocBlock();
diff --git a/src/ProxyManager/Inflector/ClassNameInflector.php b/src/ProxyManager/Inflector/ClassNameInflector.php
index 1b7a0e87..78079490 100644
--- a/src/ProxyManager/Inflector/ClassNameInflector.php
+++ b/src/ProxyManager/Inflector/ClassNameInflector.php
@@ -14,7 +14,7 @@
 
 final class ClassNameInflector implements ClassNameInflectorInterface
 {
-    protected $proxyNamespace;
+    private $proxyNamespace;
     /** @var int @TODO annotation still needed for phpstan to understand this */
     private $proxyMarkerLength;
     private $proxyMarker;