diff --git a/composer.json b/composer.json
index ad16751..4a35f5b 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
 		"nette/neon": "~3.0",
 		"nextras/multi-query-parser": "~1.0",
 		"phpstan/extension-installer": "1.4.3",
-		"phpstan/phpstan": "2.1.6",
+		"phpstan/phpstan": "2.1.7",
 		"phpstan/phpstan-deprecation-rules": "2.0.1",
 		"phpstan/phpstan-strict-rules": "2.0.3",
 		"symfony/config": "~4.4 || ~5.0",
diff --git a/src/Utils/MultiLogger.php b/src/Utils/MultiLogger.php
index 622b4a5..e88900c 100644
--- a/src/Utils/MultiLogger.php
+++ b/src/Utils/MultiLogger.php
@@ -11,7 +11,7 @@
 /**
  * @internal
  */
-class MultiLogger implements ILogger
+final class MultiLogger implements ILogger
 {
 	use StrictObjectTrait;