diff --git a/Build/Dockerfile b/Build/Dockerfile
index c58de77..d2c3375 100644
--- a/Build/Dockerfile
+++ b/Build/Dockerfile
@@ -95,6 +95,9 @@ RUN docker-php-ext-enable mongo intl imagick rdkafka mongodb memcache ps apcu
 # Use the default production configuration
 RUN cp "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
 
+# Enable Authorization header in apache
+RUN echo "SetEnvIf Authorization \"(.*)\" HTTP_AUTHORIZATION=\$1" >> /etc/apache2/apache2.conf
+
 # Enable apache2 modules
 RUN a2enmod rewrite
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..0a89091
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Changelog
+
+**Version 5.6.1**
+
+*  Enable authorization header in a REST request.
+
+**Version 5.6**
+
+*  Use **php:5.6.39-apache-jessie** base image.
+*  Add datadog APM tracer (beta 0.8.1).
+*  Add **rdkafka** dependency.
\ No newline at end of file
diff --git a/README.md b/README.md
index ad778c0..717f1b1 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ Dockerized LAMPP stack based on these components:
 
 Table of contents
 -----------------
+* [Changelog](#changelog)
 * [Requirements](#requirements)
 * [Building Docker Image](#building-docker-image)
 * [Using Docker Compose](#using-docker-compose)
@@ -21,6 +22,11 @@ Table of contents
 * [Custom LAMPP Configuration](#custom-lampp-configuration)
 * [Expose Port](#expose-port)
 
+Changelog
+---------
+
+Open this [CHANGELOG.md](https://github.com/cikupin/docker-lampp/blob/master/CHANGELOG.md) file to see version changelog.
+
 Requirements
 ------------
 
diff --git a/docker-compose.yml b/docker-compose.yml
index a65e5ce..35ed3c6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '2'
 services:
   php-apache2:
-    image: cikupin/php-apache2:5.6
+    image: cikupin/php-apache2:5.6-1
     container_name: php-apache2-5.6
     volumes:
       - ./etc/apache2/sites-available/000-default.conf:/etc/apache2/sites-available/000-default.conf