# Upgrade Trilio

Starting Trilio for Openstack 4.0 does Trilio for Openstack allow in-place upgrades.

The following versions can be upgraded to each other:

| Old             | New               |
| --------------- | ----------------- |
| 4.0 GA (4.0.92) | 4.0 SP1 (4.0.115) |

The upgrade process contains upgrading the Trilio appliance and the Openstack components and is dependent on the underlying operating system.

{% hint style="warning" %}
The Upgrade of Trilio for Canonical Openstack is managed through the charms.
{% endhint %}


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.trilio.io/openstack/tvo-4.0/deployment/upgrade-triliovault.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.