How to upgrade build image/default version

[hrishikesh]

Hi @kai687,

I believe you might be affected by this:

Build fails with Focal image due to unwanted old Ruby

To give a little context, the practice of pinning dependency versions was started in the early days of Netlify, with the goal of making sites “just work” out f the box, and continue working even if default versions on the build image change. The pinning happens for Ruby, Node, Yarn, and Go, and happens for all sites, because it’s difficult to clearly identify that a site isn’t using a language. However, as we started introducing new build image versions, and now are deprecating old ones, this p…

The solution would be to relink your repo (all your current environment variables will be deleted) or continue using the required environment variable.

EDIT: As confirmed with the team, Python version is not pinned like Ruby. So the above link would not apply to you. However, it would be interesting to see if relinking still changes anything. Do let us know.