diff --git a/composer.json b/composer.json
index 55de492..52d58ad 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         "brianium/paratest": "^6.3|^7.0",
         "php-cs-fixer/shim": "^3.57",
         "phpro/grumphp-shim": "^2.0",
-        "phpunit/phpunit": "^9.5|^10.0"
+        "phpunit/phpunit": "^9.5|^10.0|^11.0"
     },
     "suggest": {
         "vimeo/psalm": "Static analysis",