diff --git a/composer.json b/composer.json
index 6346c4c..88d4560 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		"latte/latte": "^2.5"
 	},
 	"require-dev": {
-		"phpstan/phpstan": "^0.12.18",
+		"phpstan/phpstan": "^1.11.7",
 		"tracy/tracy": "^2.7",
 		"phpstan/phpstan-nette": "^0.12.6"
 	},