diff --git a/composer.json b/composer.json
index 77be765..bff5af9 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "require-dev": {
         "ext-ast": "*",
         "bamarni/composer-bin-plugin": "^1.4",
-        "phpstan/phpstan": "1.11.0",
+        "phpstan/phpstan": "1.11.1",
         "phpstan/phpstan-phpunit": "1.4.0",
         "rector/rector": "1.0.5",
         "roave/security-advisories": "dev-master",