diff --git a/mix.exs b/mix.exs
index f6cdac595..768c8cbd6 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Pleroma.Mixfile do
     [
       app: :pleroma,
       version: version("3.1.0"),
-      elixir: "~> 1.9",
+      elixir: "~> 1.12",
       elixirc_paths: elixirc_paths(Mix.env()),
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),
       elixirc_options: [warnings_as_errors: warnings_as_errors()],