diff --git a/composer.json b/composer.json
index 6124596..8e23c63 100644
--- a/composer.json
+++ b/composer.json
@@ -27,10 +27,10 @@
     "require": {
         "php": "^8.0",
         "guzzlehttp/guzzle": "^7.0.1",
-        "illuminate/support": "^8.0|^9.0"
+        "illuminate/support": "^8.0|^9.0|^10.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^6.0",
+        "orchestra/testbench": "^6.0|^8.0",
         "pestphp/pest": "^1.22",
         "pestphp/pest-plugin-laravel": "^1.3",
         "phpunit/phpunit": "^9.0"
diff --git a/src/Entities/Properties/Property.php b/src/Entities/Properties/Property.php
index 6444f97..2ceb17c 100644
--- a/src/Entities/Properties/Property.php
+++ b/src/Entities/Properties/Property.php
@@ -177,6 +177,7 @@ private static function mapTypeToClass(string $type): string
             case 'files':
             case 'formula':
             case 'rollup':
+            case 'relation':
                 $class = str_replace('_', '', ucwords($type, '_'));
 
                 return 'FiveamCode\\LaravelNotionApi\\Entities\\Properties\\'.$class;