Updated requirements.

composer.json

@@ -16,7 +16,8 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.3.0",
+        "league/fractal": "0.12.*@dev"
     },
     "autoload": {
         "psr-4": {

src/RestableServiceProvider.php

@@ -44,7 +44,9 @@ class RestableServiceProvider extends ServiceProvider
 
             $converter = new Format;
 
-            return new SelfRenderedAdapter(new Restable($app['config'], $response, $converter));
+            return new FractalDecorator(
+                new SelfRenderedAdapter(new Restable($app['config'], $response, $converter))
+            );
         });
     }