diff --git a/composer.json b/composer.json
index b8ed1940ee44deb867d7ccb9494986ec4d409859..ff40e3bc73e087681eaa043603bf44eb83cfc225 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
 	},
     "require-dev": {
         "nette/tester": "^2.1",
-        "phpstan/phpstan": "^0.12",
+        "phpstan/phpstan": "^1.4",
         "grifart/phpstan-oneline": "^0.4.0",
         "php-parallel-lint/php-console-highlighter": "^0.5.0",
         "php-parallel-lint/php-parallel-lint": "^1.2"