diff --git a/composer.json b/composer.json
index 0ac86b5..c0a745b 100755
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         "laravel/homestead": "^10.9",
         "mockery/mockery": "^1.0",
         "nunomaduro/collision": "^4.1",
-        "phpunit/phpunit": "^8.5"
+        "phpunit/phpunit": "^9.0"
     },
     "config": {
         "optimize-autoloader": true,