diff --git a/composer.json b/composer.json
index 601cca82..df0261fe 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "friendsofphp/php-cs-fixer": "~2.17.1",
         "phpunit/phpunit" : "^7.5 || ^8.5 || ^9.6",
         "phpunit/php-invoker" : "^2.0 || ^3.1",
-        "phpstan/phpstan": "^0.12"
+        "phpstan/phpstan": "^0.12 || ^1.11"
     },
     "suggest" : {
         "hoa/bench"       : "If you would like to run the benchmark scripts"