diff --git a/composer.json b/composer.json
index 90fceee..3e03655 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
     "phpcompatibility/phpcompatibility-wp": "*",
     "sebastian/phpcpd": "^3.0 || ^4.0 || ^6.0",
-    "yoast/phpunit-polyfills": "^2.0",
+    "yoast/phpunit-polyfills": "^3.0",
     "mf2/mf2": "^0.5.0"
   },
   "scripts": {