diff --git a/composer.json b/composer.json
index c11e7771..570bac27 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
         "wp-cli/eval-command": "^1 || ^2",
         "wp-cli/wp-cli": "^2.13",
         "wp-coding-standards/wpcs": "dev-develop",
-        "yoast/phpunit-polyfills": "^1.0 || ^2.0 || ^3.0 || ^4.0"
+        "yoast/phpunit-polyfills": "^2.0 || ^3.0 || ^4.0"
     },
     "require-dev": {
         "roave/security-advisories": "dev-latest"