> For the complete documentation index, see [llms.txt](https://docs.trilio.io/openstack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trilio.io/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio.md).

# Upgrade Trilio

{% content-ref url="/pages/3lZLOjBsiqLJxtJaBLBY" %}
[Upgrading on RHOSP](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio/upgrading-on-rhosp.md)
{% endcontent-ref %}

{% content-ref url="/pages/eMdvPQSzfPkoUMm6iOSW" %}
[Upgrading on RHOSO](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio/upgrade_on_rhoso18.md)
{% endcontent-ref %}

{% content-ref url="/pages/5A4RCdGrPrk8DU8Sgi1N" %}
[Upgrading on OpenStack-Helm/MOSK](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio/upgrading_on_oshelm.md)
{% endcontent-ref %}

{% content-ref url="/pages/Lsqde7kELbU1cBqyUV4M" %}
[Upgrading on Kolla-Ansible](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio/upgrading-on-kolla.md)
{% endcontent-ref %}