diff --git a/composer.json b/composer.json
index d1a2865..fcc5353 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "type": "library",
     "require-dev": {
         "ergebnis/composer-normalize": "^2.50",
-        "phpunit/phpunit": "^12.5",
+        "phpunit/phpunit": "^12.5 || ^13.0",
         "symfony/asset-mapper": "^6.4 || ^7.4 || ^8.0",
         "symfony/config": "^6.4 || ^7.4 || ^8.0",
         "symfony/console": "^6.4 || ^7.4 || ^8.0",