diff --git a/composer.json b/composer.json
index 667bb1c..461e839 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
 	"prefer-stable": true,
 	"require": {
 		"php": "~7.0",
-		"phpstan/phpstan": "^0.3",
+		"phpstan/phpstan": "^0.4",
 		"dibi/dibi": "~3.0"
 	},
 	"require-dev": {