diff --git a/composer.json b/composer.json
index d3feddb8..9a3960f9 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "php": "^7.3 || ^8.0",
         "nunomaduro/collision": "^5.4.0",
         "pestphp/pest-plugin": "^1.0.0",
-        "phpunit/phpunit": "^9.3.7"
+        "phpunit/phpunit": "^9.5.5"
     },
     "autoload": {
         "psr-4": {