diff --git a/composer.json b/composer.json
index e682da1..b701ae1 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
 		"phpstan/phpstan-deprecation-rules": "^2.0",
 		"phpstan/phpstan-phpunit": "^2.0",
 		"phpstan/phpstan-strict-rules": "^2.0",
-		"phpunit/phpunit": "^9.6",
+		"phpunit/phpunit": "^13.4",
 		"shipmonk/phpstan-rules": "^4.1",
 		"squizlabs/php_codesniffer": "^3.0",
 		"symfony/var-dumper": "^5.4",