diff --git a/composer.json b/composer.json
index 8046478..b6adba6 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
   "require-dev": {
     "mimmi20/coding-standard": "^2.6.2",
     "phpstan/extension-installer": "^1.1.0",
-    "phpstan/phpstan": "^1.4.2",
+    "phpstan/phpstan": "^1.4.3",
     "phpstan/phpstan-deprecation-rules": "^1.0.0",
     "phpstan/phpstan-phpunit": "^1.0.0",
     "phpunit/phpunit": "^9.5.13"