There is an updated pull request by mkohlhaas against master on the void-packages repository

https://github.com/mkohlhaas/void-packages rebar3
https://github.com/void-linux/void-packages/pull/42471

rebar3: update to 3.20.0.
Minor update.

A patch file from https://github.com/void-linux/void-packages/pull/42471.patch is attached