diff --git a/composer.json b/composer.json
index 966e629..bd9363a 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
         "dg/bypass-finals": "^1.4",
         "mikey179/vfsstream": "^1.6",
         "mockery/mockery": "^1.5",
-        "orchestra/testbench": "^8.1",
+        "orchestra/testbench": "^8.21",
         "phpunit/phpunit": "^9.5.26"
     },
     "minimum-stability": "dev",