diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30a4754..8d69767 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,9 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://git.d3data.de/D3Public/MyModule/compare/2.0.0.0...rel_2.x)
+## [Unreleased](https://git.d3data.de/D3Public/MyModule/compare/2.1.0.0...rel_2.x)
 
-## [2.0.0.1](https://git.d3data.de/D3Public/MailConfigChecker/releases/tag/2.0.0.1) - 2024-04-11
+## [2.1.0.0](https://git.d3data.de/D3Public/MailConfigChecker/compare/2.0.0.1...2.1.0.0) - 2024-06-05
+### Added
+- check for DMARC DNS record
+
+## [2.0.0.1](https://git.d3data.de/D3Public/MailConfigChecker/compare/2.0.0.0...2.0.0.1) - 2024-04-11
 ### Fixed
 - MailConfigCheck need a valid "from" mailadress to check smtp correctly
 
diff --git a/composer.json b/composer.json
index ebb1560..6edb1ad 100644
--- a/composer.json
+++ b/composer.json
@@ -12,6 +12,7 @@
     "SMTP",
     "phpMailer",
     "SPF",
+    "DMARC".
     "testing"
   ],
   "authors": [
diff --git a/metadata.php b/metadata.php
index 9b57179..372415f 100644
--- a/metadata.php
+++ b/metadata.php
@@ -40,7 +40,7 @@ $aModule = [
         'en' => '',
     ],
     'thumbnail'   => 'picture.svg',
-    'version'     => '2.0.0.1',
+    'version'     => '2.1.0.0',
     'author'      => 'D³ Data Development (Inh.: Thomas Dartsch)',
     'email'       => 'support@shopmodule.com',
     'url'         => 'https://www.oxidmodule.com/',