diff --git a/README.md b/README.md
index ff47da8..7b10d71 100644
--- a/README.md
+++ b/README.md
@@ -133,3 +133,9 @@ Remove all the data and settings of your Mattermost instance
 ```
 sudo rm -rf volumes
 ```
+
+## Upgrading from mattermost-docker
+
+For upgrading from deprecated [mattermost-docker](https://github.com/mattermost/mattermost-docker) please follow the instructions [here](https://github.com/mattermost/docker/blob/main/scripts/UPGRADE.md). 
+This will upgrade the mattermost-docker postgresql database and your installation can then be switched to this repository's setup which will be maintained for future releases. 
+For any comments, help needed and/or questions, please don't hesitate to write us in this issue: https://github.com/mattermost/mattermost-docker/issues/489