nixpkgs/pkgs/development/interpreters/elixir/1.9.nix

{ mkDerivation }:

mkDerivation {
  version = "1.9.2";
  sha256 = "19yn6nx6r627f5zbyc7ckgr96d6b45sgwx95n2gp2imqwqvpj8wc";
  minimumOTPVersion = "20";
}