diff --git a/composer.json b/composer.json
index 85b1477b..91fee6b8 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         "guzzlehttp/guzzle": "^6.3|^7.0",
         "phpstan/extension-installer": "^1.0",
         "phpstan/phpstan": "^0.12.50",
-        "phpstan/phpstan-phpunit": "^0.12.16",
+        "phpstan/phpstan-phpunit": "^0.12.16 || ^1.0.0",
         "phpstan/phpstan-strict-rules": "^0.12.5",
         "phpunit/phpunit": "^8.4|^9.4",
         "squizlabs/php_codesniffer": "^3.5",