diff --git a/composer.json b/composer.json
index 17937b0..58ca26e 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     ],
     "require": {
         "php": "~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0",
-        "phpunit/phpunit": "~9.6.33"
+        "phpunit/phpunit": "~13.0.5"
     },
     "license": "MIT",
     "authors": [