diff --git a/logsrv_api/mix.exs b/logsrv_api/mix.exs
index eb434ff..ee912ea 100644
--- a/logsrv_api/mix.exs
+++ b/logsrv_api/mix.exs
@@ -5,7 +5,7 @@ defmodule Logsrv.MixProject do
     [
       app: :logsrv,
       version: "0.1.0",
-      elixir: "~> 1.13",
+      elixir: "~> 1.12",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]