diff --git a/composer.json b/composer.json
index 25e379f..147dfb7 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5.10",
-        "phpstan/phpstan": "1.10.15",
+        "phpstan/phpstan": "1.10.28",
         "friendsofphp/php-cs-fixer": "3.16.0",
         "maglnet/composer-require-checker": "^3.0.0",
         "phpro/grumphp-shim": "^1.5.0"