diff --git a/composer.json b/composer.json
index 11e2ba6..5fa048b 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
 	},
 	"require": {
 		"php": "~7.1",
-		"phpstan/phpstan": "^0.11",
+		"phpstan/phpstan": "^0.11.4",
 		"nikic/php-parser": "^4.0"
 	},
 	"require-dev": {
diff --git a/phpstan.neon b/phpstan.neon
index 6cb3b5b..17948a4 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -2,3 +2,4 @@ includes:
 	- vendor/phpstan/phpstan-phpunit/extension.neon
 	- vendor/phpstan/phpstan-phpunit/rules.neon
 	- vendor/phpstan/phpstan-strict-rules/rules.neon
+	- vendor/phpstan/phpstan/conf/bleedingEdge.neon