diff --git a/composer.json b/composer.json
index a524820..1f6735a 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,6 @@
     },
     "require": {
         "php": ">=7.3",
-        "phpunit/phpunit": "^8.5|^9.0"
+        "phpunit/phpunit": "^8.5|^9.0|^10.0|^11.0"
     }
 }