diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..4c21c83
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,6 @@
+CHANGELOG
+=========
+
+# v0.10.0
+
+* Add vendor prefix `Richardhj\` to namespaces
diff --git a/README.md b/README.md
index 8aed800..1d86bd5 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ But instead of the `GenericProvider` you're going to use this provider.
 
 This is how to initiate the provider:
 ```php
-$provider = new EPost\OAuth2\Client\Provider\EPost(
+$provider = new Richardhj\EPost\OAuth2\Client\Provider\EPost(
     [
         'clientId'              => sprintf('%s,%s', EPOST_DEV_ID, EPOST_APP_ID),
         'redirectUri'           => 'http://localhost:8080/oauth2_redirect.php', // Only necessary for the Authorization Code Grant flow
diff --git a/composer.json b/composer.json
index c0a7f97..44a098b 100644
--- a/composer.json
+++ b/composer.json
@@ -14,11 +14,11 @@
   },
   "require": {
     "php": "^5.4 || ^7.0",
-    "league/oauth2-client": "~1.4"
+    "league/oauth2-client": "^1.4 || ^2.0"
   },
   "autoload": {
     "psr-4": {
-      "EPost\\OAuth2\\Client\\": "src/"
+      "Richardhj\\EPost\\OAuth2\\Client\\": "src/"
     }
   }
 }
diff --git a/src/Provider/EPost.php b/src/Provider/EPost.php
index f89a011..5d3d664 100644
--- a/src/Provider/EPost.php
+++ b/src/Provider/EPost.php
@@ -1,14 +1,17 @@
 <?php
+
 /**
- * E-POSTBUSINESS API integration for Contao Open Source CMS
+ * This file is part of richardhj/oauth2-epost.
  *
- * Copyright (c) 2015-2016 Richard Henkenjohann
+ * Copyright (c) 2015-2017 Richard Henkenjohann
  *
- * @package E-POST
- * @author  Richard Henkenjohann <richard-epost@henkenjohann.me>
+ * @package   richardhj/oauth2-epost
+ * @author    Richard Henkenjohann <richardhenkenjohann@googlemail.com>
+ * @copyright 2015-2017 Richard Henkenjohann
+ * @license   https://github.com/richardhj/oauth2-epost/blob/master/LICENSE LGPL-3.0
  */
 
-namespace EPost\OAuth2\Client\Provider;
+namespace Richardhj\EPost\OAuth2\Client\Provider;
 
 use League\OAuth2\Client\Provider\AbstractProvider;
 use League\OAuth2\Client\Provider\Exception\IdentityProviderException;
@@ -19,7 +22,7 @@
 
 /**
  * Class EPost
- * @package EPost\OAuth2\Client\Provider
+ * @package Richardhj\EPost\OAuth2\Client\Provider
  */
 class EPost extends AbstractProvider
 {