diff --git a/composer.json b/composer.json
index 208c86d..eede6f2 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         "php": "^8.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.0|^10.0"
+        "phpunit/phpunit": "^11.3.6"
     },
     "autoload": {
         "psr-4": {