diff --git a/composer.json b/composer.json
index d99c438..ebee530 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
     "phpstan/phpstan": "^1.4.8",
     "phpstan/phpstan-deprecation-rules": "^1.0.0",
     "phpstan/phpstan-phpunit": "^1.0.0",
-    "phpunit/phpunit": "^9.5.17"
+    "phpunit/phpunit": "^9.5.18"
   },
   "minimum-stability": "stable",
   "prefer-stable": true,