diff --git a/composer.json b/composer.json
index bade3d5..a9e2437 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "^2.5.0",
-        "phpunit/phpunit": "10.2.6",
+        "phpunit/phpunit": "11.2.9",
         "phpstan/phpstan": "1.10.25",
         "laminas/laminas-test": "^4.8",
         "phpstan/extension-installer": "^1.2",