diff --git a/app/AppKernel.php b/app/AppKernel.php
index 23a4759..9a1109d 100644
--- a/app/AppKernel.php
+++ b/app/AppKernel.php
@@ -22,6 +22,7 @@ public function registerBundles()
             new Symfony\Bundle\MonologBundle\MonologBundle(),
             new Doctrine\Bundle\DoctrineBundle\DoctrineBundle(),
             new AppBundle\AppBundle(),
+            new DemoBundle\DemoBundle(),
         );
 
         if (in_array($this->getEnvironment(), array('dev', 'test'))) {
diff --git a/app/config/api.yml b/app/config/api.yml
index 07c0aec..e371cd1 100644
--- a/app/config/api.yml
+++ b/app/config/api.yml
@@ -3,7 +3,7 @@ sylius_resource:
         acme.post:
             driver: doctrine/orm
             classes:
-                model: AppBundle\Entity\Post
+                model: DemoBundle\Entity\Post
 
 fos_rest:
     disable_csrf_role: ROLE_API
diff --git a/app/config/routing.yml b/app/config/routing.yml
index 4e5b684..47cd227 100644
--- a/app/config/routing.yml
+++ b/app/config/routing.yml
@@ -1,3 +1,3 @@
 acme_demo:
-    resource: "@AppBundle/Resources/config/routing.yml"
+    resource: "@DemoBundle/Resources/config/routing.yml"
     prefix:   /
diff --git a/src/DemoBundle/DemoBundle.php b/src/DemoBundle/DemoBundle.php
new file mode 100644
index 0000000..2436d26
--- /dev/null
+++ b/src/DemoBundle/DemoBundle.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace DemoBundle;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+class DemoBundle extends Bundle
+{
+}
diff --git a/src/AppBundle/Entity/Post.php b/src/DemoBundle/Entity/Post.php
similarity index 95%
rename from src/AppBundle/Entity/Post.php
rename to src/DemoBundle/Entity/Post.php
index c27150c..8a1fc64 100644
--- a/src/AppBundle/Entity/Post.php
+++ b/src/DemoBundle/Entity/Post.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace AppBundle\Entity;
+namespace DemoBundle\Entity;
 
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Validator\Constraints as Assert;
diff --git a/src/AppBundle/Resources/config/doctrine/Post.orm.yml b/src/DemoBundle/Resources/config/doctrine/Post.orm.yml
similarity index 92%
rename from src/AppBundle/Resources/config/doctrine/Post.orm.yml
rename to src/DemoBundle/Resources/config/doctrine/Post.orm.yml
index 78efcdd..8339afc 100644
--- a/src/AppBundle/Resources/config/doctrine/Post.orm.yml
+++ b/src/DemoBundle/Resources/config/doctrine/Post.orm.yml
@@ -1,4 +1,4 @@
-AppBundle\Entity\Post:
+DemoBundle\Entity\Post:
     type: entity
     table: null
     id:
diff --git a/src/AppBundle/Resources/config/routing.yml b/src/DemoBundle/Resources/config/routing.yml
similarity index 100%
rename from src/AppBundle/Resources/config/routing.yml
rename to src/DemoBundle/Resources/config/routing.yml
diff --git a/src/AppBundle/Tests/Controller/PostControllerApiTest.php b/src/DemoBundle/Tests/Controller/PostControllerApiTest.php
similarity index 98%
rename from src/AppBundle/Tests/Controller/PostControllerApiTest.php
rename to src/DemoBundle/Tests/Controller/PostControllerApiTest.php
index 7223c11..4d62a7b 100644
--- a/src/AppBundle/Tests/Controller/PostControllerApiTest.php
+++ b/src/DemoBundle/Tests/Controller/PostControllerApiTest.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace AppBundle\Tests\Controller;
+namespace DemoBundle\Tests\Controller;
 
 use Lakion\ApiTestCase\JsonApiTestCase;
 use Symfony\Component\HttpFoundation\Response;
diff --git a/src/AppBundle/Tests/DataFixtures/ORM/posts.yml b/src/DemoBundle/Tests/DataFixtures/ORM/posts.yml
similarity index 91%
rename from src/AppBundle/Tests/DataFixtures/ORM/posts.yml
rename to src/DemoBundle/Tests/DataFixtures/ORM/posts.yml
index 1bc252d..2f2f068 100644
--- a/src/AppBundle/Tests/DataFixtures/ORM/posts.yml
+++ b/src/DemoBundle/Tests/DataFixtures/ORM/posts.yml
@@ -1,4 +1,4 @@
-AppBundle\Entity\Post:
+DemoBundle\Entity\Post:
     post1:
         title: 'Clean Code principles'
         author: 'Robert C. Martin'
diff --git a/src/AppBundle/Tests/Responses/Expected/posts/create_response.json b/src/DemoBundle/Tests/Responses/Expected/posts/create_response.json
similarity index 100%
rename from src/AppBundle/Tests/Responses/Expected/posts/create_response.json
rename to src/DemoBundle/Tests/Responses/Expected/posts/create_response.json
diff --git a/src/AppBundle/Tests/Responses/Expected/posts/index_response.json b/src/DemoBundle/Tests/Responses/Expected/posts/index_response.json
similarity index 100%
rename from src/AppBundle/Tests/Responses/Expected/posts/index_response.json
rename to src/DemoBundle/Tests/Responses/Expected/posts/index_response.json
diff --git a/src/AppBundle/Tests/Responses/Expected/posts/not_found_response.json b/src/DemoBundle/Tests/Responses/Expected/posts/not_found_response.json
similarity index 100%
rename from src/AppBundle/Tests/Responses/Expected/posts/not_found_response.json
rename to src/DemoBundle/Tests/Responses/Expected/posts/not_found_response.json
diff --git a/src/AppBundle/Tests/Responses/Expected/posts/show_response.json b/src/DemoBundle/Tests/Responses/Expected/posts/show_response.json
similarity index 100%
rename from src/AppBundle/Tests/Responses/Expected/posts/show_response.json
rename to src/DemoBundle/Tests/Responses/Expected/posts/show_response.json
diff --git a/src/AppBundle/Tests/Responses/Expected/posts/validation_failed_response.json b/src/DemoBundle/Tests/Responses/Expected/posts/validation_failed_response.json
similarity index 100%
rename from src/AppBundle/Tests/Responses/Expected/posts/validation_failed_response.json
rename to src/DemoBundle/Tests/Responses/Expected/posts/validation_failed_response.json