diff --git a/composer.json b/composer.json
index 494b260..fc8eb79 100644
--- a/composer.json
+++ b/composer.json
@@ -10,11 +10,11 @@
     ],
     "require": {
         "php": "^7.4.0 || ^8",
-        "silverstripe/cms": "^4 || ^5",
         "silverstripe/framework": "^4 || ^5",
         "giggsey/libphonenumber-for-php": "^8.0"
     },
     "require-dev": {
+        "silverstripe/cms": "^4 || ^5",
         "squizlabs/php_codesniffer": "^3.0",
         "syntro/silverstripe-phpstan": "^1",
         "phpunit/phpunit": "^9.4"