diff --git a/Tests/CGL/composer.json b/Tests/CGL/composer.json
index 0377b58..7248fbb 100644
--- a/Tests/CGL/composer.json
+++ b/Tests/CGL/composer.json
@@ -4,7 +4,7 @@
 		"ergebnis/composer-normalize": "2.54.0",
 		"friendsofphp/php-cs-fixer": "3.95.27",
 		"phpstan/extension-installer": "1.4.3",
-		"phpstan/phpstan": "2.3.0",
+		"phpstan/phpstan": "2.3.1",
 		"phpstan/phpstan-phpunit": "2.1.1",
 		"phpstan/phpstan-symfony": "2.1.0",
 		"saschaegerer/phpstan-typo3": "3.1.0",