diff --git a/composer.json b/composer.json
index 98dbb8c1..9629e429 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     },
     "require-dev": {
         "phpstan/extension-installer": "^1.4",
-        "phpstan/phpstan": "2.1.x-dev",
+        "phpstan/phpstan": "^2.1.33",
         "phpstan/phpstan-webmozart-assert": "^2.0",
         "phpunit/phpunit": "^11.5",
         "rector/jack": "^0.5.1",