diff --git a/composer.json b/composer.json
index 2ce0f7d..f45e5d6 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
     },
     "require-dev": {
         "raveren/kint": "1.*",
-        "phpunit/phpunit": "^9"
+        "phpunit/phpunit": "^11"
     },
     "autoload": {
         "psr-4": {