diff --git a/composer.json b/composer.json
index 296b745..fd2b65e 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "^2.4.0",
-        "phpunit/phpunit": "10.2.6",
+        "phpunit/phpunit": "11.0.8",
         "psalm/plugin-phpunit": "^0.18.4",
         "phpstan/phpstan": "1.10.25",
         "laminas/laminas-test": "^4.8",