diff --git a/composer.json b/composer.json
index f9f0f8d..37f7546 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,6 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^6.0 || ^7.0 || ^8.0 || ^9.0",
-        "phpstan/phpstan": "^0.12.88 || ^1.0.0"
+        "phpstan/phpstan": "^0.12.88 || ^1.0.0 || ^2.0.0"
     }
 }