diff --git a/src/Orchestra/Optimize/Compiler.php b/src/Orchestra/Optimize/Compiler.php
index 7c5ee58..6ad2733 100644
--- a/src/Orchestra/Optimize/Compiler.php
+++ b/src/Orchestra/Optimize/Compiler.php
@@ -1,6 +1,6 @@
 <?php namespace Orchestra\Optimize;
 
-use Illuminate\Config\FileLoader;
+use Illuminate\Config\Repository;
 use Illuminate\Filesystem\Filesystem;
 use Illuminate\Support\Fluent;
 
@@ -9,7 +9,7 @@ class Compiler
     /**
      * Config instance.
      *
-     * @var \Illuminate\Config\FileLoader
+     * @var \Illuminate\Config\Repository
      */
     protected $config;
 
@@ -37,12 +37,12 @@ class Compiler
     /**
      * Construct a new instance.
      *
-     * @param  \Illuminate\Config\FileLoader        $config
+     * @param  \Illuminate\Config\Repository        $config
      * @param  \Illuminate\Filesystem\Filesystem    $files
      * @param  string                               $path
      * @param  array                                $components
      */
-    public function __construct(FileLoader $config, Filesystem $files, $path, array $components = array())
+    public function __construct(Repository $config, Filesystem $files, $path, array $components = array())
     {
         $this->config = $config;
         $this->files = $files;
diff --git a/tests/CompilerTest.php b/tests/CompilerTest.php
index dfc8178..f4b3130 100644
--- a/tests/CompilerTest.php
+++ b/tests/CompilerTest.php
@@ -22,7 +22,7 @@ public function tearDown()
      */
     public function testRunMethod()
     {
-        $config     = m::mock('\Illuminate\Config\FileLoader');
+        $config     = m::mock('\Illuminate\Config\Repository');
         $files      = m::mock('\Illuminate\Filesystem\Filesystem');
         $path       = '/var/www/laravel/vendor';
         $components = array(
diff --git a/tests/OptimizeServiceProviderTest.php b/tests/OptimizeServiceProviderTest.php
index d8fbb02..4a9a9d0 100644
--- a/tests/OptimizeServiceProviderTest.php
+++ b/tests/OptimizeServiceProviderTest.php
@@ -38,7 +38,7 @@ public function tearDown()
     public function testRegisterMethod()
     {
         $app = $this->app;
-        $app['config'] = $config = m::mock('\Illuminate\Config\FileLoader');
+        $app['config'] = $config = m::mock('\Illuminate\Config\Repository');
         $app['events'] = $events = m::mock('\Illuminate\Events\Dispatcher');
         $app['files']  = $files  = m::mock('\Illuminate\Filesystem\Filesystem');
         $app['path.base'] = '/var/www/laravel';