---
stage: Data Stores
group: Database
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments
remove_date: '2023-02-28'
redirect_to: '../administration/postgresql/replication_and_failover.md'
---

# Upgrading PostgreSQL Using Slony (removed) **(FREE SELF)**

This content was removed in GitLab 15.7.
Patroni has been used for database replication since GitLab 14.0. To perform upgrades, use the [Patroni replication documentation](../administration/postgresql/replication_and_failover.md) instead.