diff --git a/composer.json b/composer.json
index ad96f0a..ada451c 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
 	},
 	"require-dev": {
 		"nette/tester": "~2.0",
-		"phpstan/phpstan": "1.10.59",
+		"phpstan/phpstan": "1.10.66",
 		"phpstan/extension-installer": "1.3.1",
 		"phpstan/phpstan-strict-rules": "1.5.2"
 	},