diff --git a/composer.json b/composer.json
index 520f02bbc5..00ccdb862c 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,8 @@
         "psr/http-server-handler": "^1",
         "psr/http-server-middleware": "^1",
         "psr/simple-cache": "^1.0.1 || ^2 || ^3",
-        "symfony/cache": "^4.3 || ^5 || ^6 || ^7",
-        "symfony/expression-language": "^4 || ^5 || ^6 || ^7",
+        "symfony/cache": "^4.3 || ^5 || ^6 || ^7 || ^8",
+        "symfony/expression-language": "^4 || ^5 || ^6 || ^7 || ^8",
         "webonyx/graphql-php": "^v15.0",
         "kcs/class-finder": "^0.6.0"
     },
@@ -35,7 +35,7 @@
         "php-coveralls/php-coveralls": "^2.7",
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.5 || ^11.0",
+        "phpunit/phpunit": "^10.5 || ^11.0 || ^12.0",
         "symfony/var-dumper": "^6.4"
     },
     "suggest": {
diff --git a/src/Utils/PropertyAccessor.php b/src/Utils/PropertyAccessor.php
index 1347d1151c..2d0b4bd76d 100644
--- a/src/Utils/PropertyAccessor.php
+++ b/src/Utils/PropertyAccessor.php
@@ -94,6 +94,7 @@ public static function setValue(object $instance, string $propertyName, mixed $v
         throw AccessPropertyException::createForUnwritableProperty($class, $propertyName);
     }
 
+    /** @param class-string $class */
     private static function isPublicProperty(string $class, string $propertyName): bool
     {
         if (! property_exists($class, $propertyName)) {
diff --git a/tests/Loggers/ExceptionLogger.php b/tests/Loggers/ExceptionLogger.php
index 612d0226ce..3a0a65861a 100644
--- a/tests/Loggers/ExceptionLogger.php
+++ b/tests/Loggers/ExceptionLogger.php
@@ -1,12 +1,15 @@
 <?php
 
+declare(strict_types=1);
 
 namespace TheCodingMachine\GraphQLite\Loggers;
 
-
+use Exception;
 use Psr\Log\AbstractLogger;
 use Psr\Log\LogLevel;
+use Stringable;
 use Throwable;
+
 use function in_array;
 
 /**
@@ -15,16 +18,14 @@
  */
 class ExceptionLogger extends AbstractLogger
 {
-    /**
-     * @inheritDoc
-     */
-    public function log($level, $message, array $context = array())
+    /** @inheritDoc */
+    public function log($level, $message, array $context = []): void
     {
         if (in_array($level, [LogLevel::EMERGENCY, LogLevel::ALERT, LogLevel::CRITICAL, LogLevel::ERROR, LogLevel::WARNING])) {
             if (isset($context['exception']) && $context['exception'] instanceof Throwable) {
                 throw $context['exception'];
             }
-            throw new \Exception($message);
+            throw new Exception($message);
         }
     }
 }