diff --git a/composer.json b/composer.json
index 70eee98..3c89e5d 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     "composer/composer": "*",
     "phpcompatibility/php-compatibility": "^9.0",
     "php-parallel-lint/php-parallel-lint": "^1.3.1",
-    "yoast/phpunit-polyfills": "^1.0"
+    "yoast/phpunit-polyfills": "^1.0 || ^2.0"
   },
   "minimum-stability": "dev",
   "prefer-stable": true,