diff --git a/composer.json b/composer.json
index cd84cc29..9e616763 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "require-dev": {
         "ext-ast": "*",
         "bamarni/composer-bin-plugin": "^1.4",
-        "phpstan/phpstan": "1.12.3",
+        "phpstan/phpstan": "1.12.4",
         "phpstan/phpstan-doctrine": "1.5.3",
         "phpstan/phpstan-phpunit": "1.4.0",
         "phpstan/phpstan-symfony": "1.4.9",