diff --git a/composer.json b/composer.json
index 6d35d9c..1db5905 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^7.0",
-        "phpstan/phpstan": "0.12.3",
+        "phpstan/phpstan": "0.12.4",
         "friendsofphp/php-cs-fixer": "2.16.1",
         "maglnet/composer-require-checker": "^1.1.0 || ^2.0.0",
         "phpro/grumphp": "^0.16.0"