diff --git a/composer.json b/composer.json
index 0b8d581..4f6ff71 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16 || ^3.0",
-        "phpunit/phpunit": "^9.1",
+        "phpunit/phpunit": "^9.1 || ^10.0 || ^11.0",
         "squizlabs/php_codesniffer": "^3.5"
     },
     "scripts": {
diff --git a/composer.lock b/composer.lock
index edfe88f..fd0d7b5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a6fc0576889727fa56c97743dea599d0",
+    "content-hash": "a9e9a00d0d89934112424a2b84c89a39",
     "packages": [],
     "packages-dev": [
         {