* `postgresql` (9.6+, Ubuntu 16.04 comes with 9.5, you can get a newer version from [here](https://www.postgresql.org/download/linux/ubuntu/))
* `postgresql-contrib` (9.6+, same situtation as above)
-* `elixir` (1.8+, [install from here, Debian and Ubuntu ship older versions](https://elixir-lang.org/install.html#unix-and-unix-like) or use [asdf](https://github.com/asdf-vm/asdf) as the pleroma user)
+* `elixir` (1.8+, Follow the guide to install from the Erlang Solutions repo or use [asdf](https://github.com/asdf-vm/asdf) as the pleroma user)
* `erlang-dev`
* `erlang-nox`
* `git`