# Upgrade from postgres 13 to 15 failing - currently means forum is unavailable

**URL:** https://meta.discourse.org/t/upgrade-from-postgres-13-to-15-failing-currently-means-forum-is-unavailable/357028
**Category:** Support
**Tags:** postgres
**Created:** [March 12, 2025, 8:56pm UTC](https://meta.discourse.org/t/upgrade-from-postgres-13-to-15-failing-currently-means-forum-is-unavailable/357028 "2025-03-12T20:56:59Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![Andrew\_Rowe](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/andrew_rowe/32/445877_2.png) [@Andrew\_Rowe](https://meta.discourse.org/u/Andrew_Rowe)
#### Post date: [March 12, 2025, 10:48pm UTC](https://meta.discourse.org/t/upgrade-from-postgres-13-to-15-failing-currently-means-forum-is-unavailable/357028/3 "2025-03-12T22:48:21Z")

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Until smarter folks show up to help go to this topic about the postgres upgrade

> [@PostgreSQL 15 update](https://meta.discourse.org/t/postgresql-15-update/349515):
>
> warning WARNING! If your database is very large, you will need a lot of extra disk space (2x database size) and should be very careful with this upgrade! We’ve just landed changes to upgrade our Docker image to PostgreSQL 15. Any site admins rebuilding Discourse from the command line will be upgraded to PostgreSQL 15 from the previous PostgreSQL 13. Note that if you held back from upgrading when the PostgreSQL 13 update [happened back in 2020](https://meta.discourse.org/t/postgresql-13-update/172563), you can skip that upgrade and go straight to P…

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_[View the full topic](https://meta.discourse.org/t/upgrade-from-postgres-13-to-15-failing-currently-means-forum-is-unavailable/357028)._