diff --git a/composer.json b/composer.json
index d4b7c9d..c3794d3 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
     "phpstan/phpstan": "^1.4.6",
     "phpstan/phpstan-deprecation-rules": "^1.0.0",
     "phpstan/phpstan-phpunit": "^1.0.0",
-    "phpunit/phpunit": "^9.5.16"
+    "phpunit/phpunit": "^9.5.17"
   },
   "minimum-stability": "stable",
   "prefer-stable": true,