diff --git a/composer.json b/composer.json
index 6920478..d2eec59 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     "egulias/email-validator": "^4.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^11.0"
+    "phpunit/phpunit": "^13.0"
   },
   "autoload": {
     "psr-4": {