diff --git a/composer.json b/composer.json
index f7a9fce..927308f 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^11.0.0",
         "laminas/laminas-servicemanager": "^3.19.0",
-        "phpunit/phpunit": "^9.5.26"
+        "phpunit/phpunit": "^11.1.1"
     },
     "license": "MIT",
     "authors": [