diff --git a/composer.json b/composer.json
index 2aba1865..ca6e8c9f 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
 		"squizlabs/php_codesniffer": "*",
 		"wp-coding-standards/wpcs": "*",
 		"wp-phpunit/wp-phpunit": "5.7.2",
-		"phpunit/phpunit": "7.5.20",
+		"phpunit/phpunit": "10.2.5",
 		"yoast/phpunit-polyfills": "^1.0"
 	  },
 	"autoload": {