diff --git a/composer.json b/composer.json
index 7453f7dc79..7440e26934 100644
--- a/composer.json
+++ b/composer.json
@@ -129,7 +129,7 @@
     },
     "require-dev": {
         "mikey179/vfsstream": "^1.6.10",
-        "phpunit/phpunit": "~9.1"
+        "phpunit/phpunit": "~11.5"
     },
     "autoload-dev": {
         "psr-4": {