diff --git a/composer.json b/composer.json
index 2aba1865..3e69e3f8 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
 		"wp-coding-standards/wpcs": "*",
 		"wp-phpunit/wp-phpunit": "5.7.2",
 		"phpunit/phpunit": "7.5.20",
-		"yoast/phpunit-polyfills": "^1.0"
+		"yoast/phpunit-polyfills": "^3.0"
 	  },
 	"autoload": {
 		"psr-4": {