diff --git a/elixir_buildpack.config b/elixir_buildpack.config
new file mode 100644
index 0000000..9faae1c
--- /dev/null
+++ b/elixir_buildpack.config
@@ -0,0 +1,5 @@
+# Erlang version
+erlang_version=20.1
+
+# Elixir version
+elixir_version=1.6.0