# Upgrading Ushahidi

If you are on version V3.x.x (Kohana) please read the following before upgrading to V4.x.x (Lumen). Some things has changed that affect your api.

{% content-ref url="upgrading-ushahidi/upgrading-from-v3.x.x-to-v4.x.x" %}
[upgrading-from-v3.x.x-to-v4.x.x](https://docs.ushahidi.com/platform-developer-documentation/dev-legacy-v3/development-and-code/upgrading-ushahidi/upgrading-from-v3.x.x-to-v4.x.x)
{% endcontent-ref %}

When you are done reading above, or you already are on V4.x.x and want to upgrade to the latest release, move on to this guide.

{% content-ref url="upgrading-ushahidi/upgrading-to-latest-release" %}
[upgrading-to-latest-release](https://docs.ushahidi.com/platform-developer-documentation/dev-legacy-v3/development-and-code/upgrading-ushahidi/upgrading-to-latest-release)
{% endcontent-ref %}