diff --git a/composer.json b/composer.json
index 8936da0..008423b 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     "mimmi20/coding-standard": "^5.1.0",
     "nikic/php-parser": "^v4.15.5",
     "phpstan/extension-installer": "^1.3.1",
-    "phpstan/phpstan": "^1.10.19",
+    "phpstan/phpstan": "^1.10.20",
     "phpstan/phpstan-deprecation-rules": "^1.1.3",
     "phpstan/phpstan-phpunit": "^1.3.13",
     "phpunit/phpunit": "^10.2.2",