diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ea76624..ea2c82df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,11 @@
 
 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/).
 
-## [Unreleased]
+## [Build 12] - 2019-06-04
+
+### Fixed
+
+- Fix Hotjar.com tracking code
 
 ### Internal
 
diff --git a/src/config/autoload/global.php b/src/config/autoload/global.php
index 28cddb2d..3f50d91b 100644
--- a/src/config/autoload/global.php
+++ b/src/config/autoload/global.php
@@ -21,7 +21,7 @@
  * @link      https://github.com/serlo-org/athene2 for the canonical source repository
  */
 return [
-    'version' => '11',
+    'version' => '12',
     'brand' => [
         'instances' => [
             'deutsch' => [