diff --git a/composer.json b/composer.json
index 933bb2d..0f4f41f 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
   },
   "require-dev": {
     "ergebnis/composer-normalize": "^2",
-    "phpstan/phpstan": "^1",
+    "phpstan/phpstan": "^2",
     "phpunit/phpunit": "^11",
     "roave/security-advisories": "dev-latest"
   },