diff --git a/composer.json b/composer.json
index fc621343..824e7c66 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     },
     "require-dev": {
         "joomla/test": "^4.0",
-        "phpunit/phpunit": "^12.0",
+        "phpunit/phpunit": "^12.5 || ^13.0",
         "squizlabs/php_codesniffer": "^4.0",
         "phpstan/phpstan": "^2.1.17",
         "phpstan/phpstan-deprecation-rules": "^2.0.3"