.tool-versions

@@ -1,4 +1,4 @@
-elixir 1.14.1
+elixir 1.13.3
 python 3.9.1
-nodejs 16.17.1
+nodejs 16.14.0
 erlang 24.2.1

elixir_buildpack.config

@@ -1,5 +1,5 @@
 # Erlang version
-erlang_version=OTP-24.2.1
+erlang_version=23.3.2
 
 # Elixir version
-elixir_version=1.14.1
+elixir_version=1.13.3

mix.exs

@@ -5,7 +5,7 @@ defmodule Chess.Mixfile do
     [
       app: :chess,
       version: "0.2.0",
-      elixir: "~> 1.14.1",
+      elixir: "~> 1.13.3",
       elixirc_paths: elixirc_paths(Mix.env()),
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),
       build_embedded: Mix.env() == :prod,

phoenix_static_buildpack.config

@@ -1 +1 @@
-node_version=16.17.1
+node_version=10.16.0