# Failing to update through command line

**URL:** <https://meta.discourse.org/t/failing-to-update-through-command-line/101786>\
**Category:** Self-hosting\
**Created:** [November 11, 2018, 5:26pm UTC](https://meta.discourse.org/t/failing-to-update-through-command-line/101786 "2018-11-11T17:26:09Z")\
**Posts on this page:** 1\
**Showing post:** 7

<div class="post-metadata">

**Author:** ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)\
**Post date:** [November 12, 2018, 6:15am UTC](https://meta.discourse.org/t/failing-to-update-through-command-line/101786/7 "2018-11-12T06:15:50Z")

</div>

> [@hosna](#):
>
> Discourse requires Ruby 2.5.2 or up

This is your error.

```plaintext
cd /var/discourse
./launcher rebuild app

```

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_[View the full topic](https://meta.discourse.org/t/failing-to-update-through-command-line/101786)._