diff --git a/composer.json b/composer.json
index 422c33d..0039208 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
 		"phpstan/phpstan": "^1.8.2",
 		"phpstan/phpstan-phpunit": "^1.1.1",
 		"phpstan/phpstan-strict-rules": "^1.3.0",
-		"phpunit/phpunit": "^8.5.27",
+		"phpunit/phpunit": "^8.5.28",
 		"saschaegerer/phpstan-typo3": "^1.1.2",
 		"seld/jsonlint": "^1.9.0",
 		"squizlabs/php_codesniffer": "^3.7.1",