diff --git a/composer.json b/composer.json
index cebc9ad..7c272bf 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
 		"nette/tester": "~2.3.2",
 		"mockery/mockery": "^1.0",
 		"pd/coding-standard": "1.21.*",
-		"phpstan/phpstan": "0.12.18"
+		"phpstan/phpstan": "0.12.77"
 	},
 	"autoload": {
 		"psr-4": {