diff --git a/composer.json b/composer.json
index 3b4a4e53..a7b9d481 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
         "mockery/mockery": "^1.3.1",
         "narrowspark/testing-helper": "^8.0.2",
         "nyholm/nsa": "^1.1.0",
-        "phpunit/phpunit": "^8.5.3",
+        "phpunit/phpunit": "^8.5.4",
         "ocramius/package-versions": "^1.5.1",
         "justinrainbow/json-schema": "^4.0 || ^5.0",
         "symfony/process": "^5.0.7"