# Update/Upgrade fail

**URL:** https://forum.yunohost.org/t/update-upgrade-fail/15063
**Category:** Support
**Tags:** french
**Created:** [March 20, 2021, 6:50pm UTC](https://forum.yunohost.org/t/update-upgrade-fail/15063 "2021-03-20T18:50:42Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Jules-Bertholet](https://forum.yunohost.org/user_avatar/forum.yunohost.org/jules-bertholet/32/4128_2.png) [@Jules-Bertholet](https://forum.yunohost.org/u/Jules-Bertholet)
#### Post date: [March 20, 2021, 7:36pm UTC](https://forum.yunohost.org/t/update-upgrade-fail/15063/2 "2021-03-20T19:36:38Z")

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> [@Something went wrong while updating the cache of APT (due to SURY)](https://forum.yunohost.org/t/something-went-wrong-while-updating-the-cache-of-apt-due-to-sury/15024):
>
> uk/us What to do if you have an error while updating the repo ? I just had an error while trying to update my server : [multiple sources listed here] W: Some index files failed to download. They have been ignored, or old ones used instead. W: Failed to fetch https://packages.sury.org/php/dists/buster/InRelease The following signatures were invalid: EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG Automatic Signing Key W: An error occurred during the signature verification. The repository is not…

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