diff --git a/composer.json b/composer.json
index 97360be..5405ff1 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "mockery/mockery": "^1.0",
         "nexusphp/tachycardia": "^1.0",
         "php-coveralls/php-coveralls": "^2.4",
-        "phpstan/phpstan": "^0.12",
+        "phpstan/phpstan": "^0.12 || ^1.0",
         "phpunit/phpunit": "^9.0",
         "squizlabs/php_codesniffer": "^3.3"
     },