diff --git a/composer.json b/composer.json
index 565372a..b538176 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "^0.12.32",
-        "phpstan/phpstan-phpunit": "^0.12",
+        "phpstan/phpstan-phpunit": "^1.4",
         "phpunit/phpunit": "^8.3 || ^9",
         "squizlabs/php_codesniffer": "^3.6"
     },