`mini_racer`'s dependency `libv8-node` currently does not support ARM on Linux with musl libc (`aarch64-linux-musl`), see https://github.com/rubyjs/libv8-node/issues/60. If you are running on that platform, you can still use [0.16.0](https://rubygems.org/gems/mini_racer/versions/0.16.0).