diff --git a/composer.json b/composer.json
index 099a513..ebaacfe 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
 		"phing/phing": "^2.16.3",
 		"php-parallel-lint/php-parallel-lint": "^1.2",
 		"phpstan/phpstan-phpunit": "^0.12",
-		"phpunit/phpunit": "^7.5.20"
+		"phpunit/phpunit": "^9.5.0"
 	},
 	"config": {
 		"platform": {