diff --git a/composer.json b/composer.json
index f40952fb..9b8deda1 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
 		"wp-coding-standards/wpcs": "*",
 		"yoast/phpunit-polyfills": "*",
 		"php-parallel-lint/php-parallel-lint": "^1.3",
-		"phpunit/phpunit": "9.*",
+		"phpunit/phpunit": "*",
 		"akirk/extract-wp-hooks": "*"
 	},
 	"config": {