diff --git a/composer.json b/composer.json
index 0dd224e..cd8e285 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "symfony/validator": "^7"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.6.5 || ^10.0.0",
+    "phpunit/phpunit": "^9.6.5 || ^10.0.0 || ^11.0.0",
     "mouf/picotainer": "^1.1",
     "phpstan/phpstan": "^1.8",
     "php-coveralls/php-coveralls": "^2.1.0",