diff --git a/composer.json b/composer.json
index 82aeb1d5..d1f94fa0 100644
--- a/composer.json
+++ b/composer.json
@@ -18,12 +18,12 @@
     "require": {
         "php": "^7.4 | ^8.0",
         "ext-json": "*",
-        "codeception/lib-innerbrowser": "^1.4",
-        "codeception/codeception": "^4.0"
+        "codeception/lib-innerbrowser": "^2.0",
+        "codeception/codeception": "^4.1"
     },
     "require-dev": {
-        "codeception/module-asserts": "^1.3",
-        "codeception/module-doctrine2": "^1.1",
+        "codeception/module-asserts": "^2.0",
+        "codeception/module-doctrine2": "^2.0",
         "doctrine/orm": "^2.10",
         "symfony/form": "^4.4 | ^5.0",
         "symfony/framework-bundle": "^4.4 | ^5.0",
@@ -32,7 +32,7 @@
         "symfony/routing": "^4.4 | ^5.0",
         "symfony/security-bundle": "^4.4 | ^5.0",
         "symfony/twig-bundle": "^4.4 | ^5.0",
-        "vlucas/phpdotenv": "^4.2 | ^5.3"
+        "vlucas/phpdotenv": "^4.2 | ^5.4"
     },
     "suggest": {
         "codeception/module-asserts": "Include traditional PHPUnit assertions in your tests",
diff --git a/src/Codeception/Module/Symfony.php b/src/Codeception/Module/Symfony.php
index 78ecd898..bea67e14 100644
--- a/src/Codeception/Module/Symfony.php
+++ b/src/Codeception/Module/Symfony.php
@@ -29,6 +29,7 @@
 use ReflectionClass;
 use ReflectionException;
 use Symfony\Bundle\SecurityBundle\DataCollector\SecurityDataCollector;
+use Symfony\Component\BrowserKit\AbstractBrowser;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface;
@@ -148,7 +149,7 @@ class Symfony extends Framework implements DoctrineProvider, PartedModule
     /**
      * @var SymfonyConnector
      */
-    public $client;
+    public ?AbstractBrowser $client = null;
 
     /**
      * @var array
@@ -444,8 +445,6 @@ protected function debugResponse($url): void
 
     /**
      * Returns a list of recognized domain names.
-     *
-     * @return mixed[]
      */
     protected function getInternalDomains(): array
     {
diff --git a/src/Codeception/Module/Symfony/ParameterAssertionsTrait.php b/src/Codeception/Module/Symfony/ParameterAssertionsTrait.php
index 35534804..cb5bcad2 100644
--- a/src/Codeception/Module/Symfony/ParameterAssertionsTrait.php
+++ b/src/Codeception/Module/Symfony/ParameterAssertionsTrait.php
@@ -17,7 +17,7 @@ trait ParameterAssertionsTrait
      * ```
      *
      * @param string $name
-     * @return mixed|null
+     * @return array|bool|float|int|string|null
      */
     public function grabParameter(string $name)
     {
@@ -29,4 +29,4 @@ protected function grabParameterBagService(): ParameterBagInterface
     {
         return $this->grabService('parameter_bag');
     }
-}
\ No newline at end of file
+}