diff --git a/composer.json b/composer.json
index f9325f5..f112f9b 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.10",
         "orchestra/testbench": "^v9.0.0",
-        "phpunit/phpunit": "^9.6|^10.4"
+        "phpunit/phpunit": "11.2.8"
     },
     "autoload": {
         "psr-4": {