diff --git a/composer.json b/composer.json
index b3697b1..c4ef7d1 100644
--- a/composer.json
+++ b/composer.json
@@ -41,7 +41,7 @@
     "phpstan/phpstan": "^1.11.4",
     "phpstan/phpstan-deprecation-rules": "^1.2.0",
     "phpstan/phpstan-phpunit": "^1.4.0",
-    "phpunit/phpunit": "^10.5.20",
+    "phpunit/phpunit": "^10.5.21",
     "rector/rector": "^1.1.0",
     "rector/type-perfect": "^0.1.3",
     "symplify/phpstan-rules": "^13.0.0",