diff --git a/README.md b/README.md
index f44d896..a07fa28 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,28 @@
+# Roundcube in a Docker Container
 
-[![Build Status](https://travis-ci.org/roundcube/roundcubemail-docker.svg)](https://travis-ci.org/roundcube/roundcubemail-docker)
-[![Docker Pulls](https://img.shields.io/docker/pulls/roundcube/roundcubemail.svg)](https://hub.docker.com/r/roundcube/roundcubemail/)
+## Upgrading
 
-# Running Roundcube in a Docker Container
+1. Remove current container:
+
+   ```
+   docker rm -f roundcube
+   ```
+
+2. Re-create container with new version tag and the same volumes.
+
+3. Execute inside container:
+
+   ```
+   docker exec -ti roundcube bash
+   # ... now inside container ...
+   apt-get update && apt-get -y install rsync
+   cd /usr/src/roundcubemail
+   bin/installto.sh /var/www/html/
+   ```
+
+4. Done!
+
+## Running
 
 The simplest method is to run the official image: