diff --git a/composer.json b/composer.json
index 4849203..807cf14 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.5.0",
         "mezzio/mezzio-flash": "^1.8",
-        "phpunit/phpunit": "^10.5.2",
+        "phpunit/phpunit": "^11.0.0",
         "vimeo/psalm": "^5.17"
     },
     "conflict": {