diff --git a/composer.json b/composer.json
index 4cfe5dd..a153a59 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,7 @@
         "ext-tidy": "*",
         "ext-zip": "*",
         "phpunit/phpunit": "^9.5",
+        "silverstripe/framework": "^4.10",
         "squizlabs/php_codesniffer": "^3.0"
     },
     "autoload": {