diff --git a/Classes/Iterator/LimitedFileIterator.php b/Classes/Iterator/LimitedFileIterator.php
index 0822ed3..931dccd 100644
--- a/Classes/Iterator/LimitedFileIterator.php
+++ b/Classes/Iterator/LimitedFileIterator.php
@@ -28,6 +28,7 @@
 final class LimitedFileIterator extends \FilterIterator
 {
     /**
+     * @param \Iterator<\SplFileInfo> $iterator
      * @param list<string> $acceptedSuffixes
      */
     public function __construct(
diff --git a/Tests/CGL/composer.json b/Tests/CGL/composer.json
index 4f5643f..44e1419 100644
--- a/Tests/CGL/composer.json
+++ b/Tests/CGL/composer.json
@@ -4,8 +4,8 @@
 		"ergebnis/composer-normalize": "2.50.0",
 		"friendsofphp/php-cs-fixer": "3.94.0",
 		"phpstan/extension-installer": "1.4.3",
-		"phpstan/phpstan": "2.1.38",
-		"phpstan/phpstan-phpunit": "2.0.14",
+		"phpstan/phpstan": "2.1.39",
+		"phpstan/phpstan-phpunit": "2.0.15",
 		"phpstan/phpstan-symfony": "2.0.14",
 		"saschaegerer/phpstan-typo3": "2.1.1",
 		"shipmonk/composer-dependency-analyser": "1.8.4",