# Beta-testing for YunoHost 4.0 on Debian Buster (and migration shipped in Yunohost 3.8.5)

**URL:** https://forum.yunohost.org/t/beta-testing-for-yunohost-4-0-on-debian-buster-and-migration-shipped-in-yunohost-3-8-5/11914
**Category:** Announcements
**Tags:** ynh\_testing\_release
**Created:** [June 19, 2020, 3:52pm UTC](https://forum.yunohost.org/t/beta-testing-for-yunohost-4-0-on-debian-buster-and-migration-shipped-in-yunohost-3-8-5/11914 "2020-06-19T15:52:19Z")
**Posts on this page:** 1
**Showing post:** 54

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### Author: ![pigpig](https://forum.yunohost.org/letter_avatar_proxy/v4/letter/p/6de8d8/32.png) [@pigpig](https://forum.yunohost.org/u/pigpig)
#### Post date: [July 25, 2020, 12:17pm UTC](https://forum.yunohost.org/t/beta-testing-for-yunohost-4-0-on-debian-buster-and-migration-shipped-in-yunohost-3-8-5/11914/54 "2020-07-25T12:17:56Z")

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Fix for SSL certificate errors :

```auto
cd /usr/share/ca-certificates
ln -s /etc/ssl/certs/ca-certificates.crt .
echo "ca-certificates.crt" >> /etc/ca-certificates.conf
update-ca-certificates

```

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