diff --git a/composer.json b/composer.json
index bcc46aa..5a831e9 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
     "require": {
         "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
         "laminas/laminas-cache": "^4.1.0",
-        "phpunit/phpunit": "^10.5.45",
+        "phpunit/phpunit": "^10.5.45 || ^12.0.0",
         "psr/cache": "^2.0 || ^3.0",
         "psr/clock": "^1.0",
         "psr/container": "^2.0",