diff --git a/composer.json b/composer.json
index 3f8936f..ce61740 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "wamania/php-stemmer": "^2.0|^3.0|^4.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^7.0|^8.0",
+        "orchestra/testbench": "^9.9.0",
         "squizlabs/php_codesniffer": "^3.5"
     },
     "scripts": {