diff --git a/composer.json b/composer.json
index 78295d53..15f881af 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
 		"marc-mabe/php-enum": "~3.0",
 		"mockery/mockery": "~1.2",
 		"phpstan/extension-installer": "1.1.0",
-		"phpstan/phpstan": "1.4.10",
+		"phpstan/phpstan": "1.7.7",
 		"phpstan/phpstan-deprecation-rules": "1.0.0",
 		"phpstan/phpstan-nette": "1.0.0",
 		"phpstan/phpstan-mockery": "1.0.0",