diff --git a/README.md b/README.md
index beea6ff..5335a2c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 # adferrand/backuppc 
-![](https://img.shields.io/badge/tags-4%20latest-lightgrey.svg) [![](https://images.microbadger.com/badges/version/adferrand/backuppc:4.1.3-6.svg) ![](https://images.microbadger.com/badges/image/adferrand/backuppc:4.1.3-6.svg)](https://microbadger.com/images/adferrand/backuppc:4.1.3-6)<br/>
-![](https://img.shields.io/badge/tags-3-lightgrey.svg) [![](https://images.microbadger.com/badges/version/adferrand/backuppc:3.3.2.svg) ![](https://images.microbadger.com/badges/image/adferrand/backuppc:3.3.2.svg)](https://microbadger.com/images/adferrand/backuppc:3.3.2)
+![](https://img.shields.io/badge/tags-4%20latest-lightgrey.svg) [![](https://images.microbadger.com/badges/version/adferrand/backuppc:4.1.3-6.svg) ![](https://images.microbadger.com/badges/image/adferrand/backuppc:4.1.3-6.svg)](https://microbadger.com/images/adferrand/backuppc:4.1.3-6)
 
 * [Introduction](#introduction)
 * [Container functionalities](#container-functionalities)
@@ -20,6 +19,7 @@
 * [Miscellaneous](#miscellaneous)
     * [Timezone](#timezone)
     * [Shell access](#shell-access)
+    * [Legacy version](#legacy-version)
 
 ## Introduction
 
@@ -249,7 +249,7 @@ docker run \
     adferrand/backuppc
 ```
 
-## Shell access
+### Shell access
 
 For debugging and maintenance purpose, you may need to start a shell in your running container. With a Docker of version 1.3.0 or higher, you can do:
 
@@ -258,3 +258,14 @@ docker exec -it backuppc /bin/sh
 ```
 
 You will obtain a shell with the standard tools of an Alpine distribution.
+
+### Legacy version
+
+Legacy version of BackupPC (v3.x) is available on the legacy tag `3`, or with explicit version tag (eg. `3.3.2`).
+
+```bash
+docker run \
+    --name backuppc \
+    --publish 80:8080 \
+    adferrand/backuppc:3
+```