diff --git a/.travis.yml b/.travis.yml
index 9050786..443222a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: php
 
 php:
+  - 5.5
   - 5.6
   - 7.0
   - 7.1
diff --git a/composer.json b/composer.json
index f357970..b72f3fe 100644
--- a/composer.json
+++ b/composer.json
@@ -12,17 +12,18 @@
 		}
 	],
 	"require": {
-        "illuminate/console": "5.2.*|5.3.*",
-        "illuminate/container": "5.2.*|5.3.*",
-        "illuminate/contracts": "5.2.*|5.3.*",
-        "illuminate/events": "5.2.*|5.3.*",
-        "illuminate/filesystem": "5.2.*|5.3.*",
-        "illuminate/support": "5.2.*|5.3.*",
+		"php": "^5.5.9|^7.0",
+        "illuminate/console": "^5.2",
+        "illuminate/container": "^5.2",
+        "illuminate/contracts": "^5.2",
+        "illuminate/events": "^5.2",
+        "illuminate/filesystem": "^5.2",
+        "illuminate/support": "^5.2",
         "jumilla/laravel-source-generator": "^1.1"
 	},
     "require-dev": {
-        "illuminate/config": "5.2.*|5.3.*",
-        "phpunit/phpunit": "~4.0",
+        "illuminate/config": "^5.2",
+        "phpunit/phpunit": "^4.0|^5.0",
         "mockery/mockery": "~0.9"
     },
 	"autoload": {
diff --git a/sources/AliasResolver.php b/sources/AliasResolver.php
index bb14a3d..3ff28bd 100644
--- a/sources/AliasResolver.php
+++ b/sources/AliasResolver.php
@@ -3,12 +3,10 @@
 namespace Jumilla\Addomnipot\Laravel;
 
 use Illuminate\Config\Repository;
-use Illuminate\Console\AppNamespaceDetectorTrait;
+use Illuminate\Container\Container;
 
 class AliasResolver
 {
-    use AppNamespaceDetectorTrait;
-
     /**
      * @var static
      */
@@ -125,4 +123,14 @@ class_alias($originalClassName, $className);
 
         return false;
     }
+
+    /**
+     * Get the application namespace.
+     *
+     * @return string
+     */
+    protected function getAppNamespace()
+    {
+        return Container::getInstance()->getNamespace();
+    }
 }