diff --git a/composer.json b/composer.json
index 7d95ef3..93c5f75 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
         "phpunit/phpunit": "^9.6.13",
         "symfony/phpunit-bridge": "^7.0",
         "facile-it/facile-coding-standard": "^1.0.1",
-        "phpstan/phpstan": "1.10.50",
+        "phpstan/phpstan": "1.10.56",
         "phpstan/extension-installer": "1.3.1",
         "jangregor/phpstan-prophecy": "1.0.0",
         "phpspec/prophecy": "^1.17",