diff --git a/composer.json b/composer.json
index 78eec28..bdb9c58 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     ]
   },
   "require-dev": {
-    "phpunit/phpunit": "10.5.9"
+    "phpunit/phpunit": "11.2.4"
   },
   "scripts": {
     "test": "./vendor/bin/phpunit",