diff --git a/composer.json b/composer.json
index eed5e96..bb8ee21 100644
--- a/composer.json
+++ b/composer.json
@@ -27,8 +27,8 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.6",
-        "infection/infection": "^0.26.4",
-        "orchestra/testbench": "^8.0",
+        "infection/infection": "^0.28.1",
+        "orchestra/testbench": "^9.0",
         "phpstan/phpstan": "^1.4",
         "phpunit/phpunit": "^10.0"
     },