diff --git a/mix.exs b/mix.exs
index 1de2dda8..355bcbfe 100644
--- a/mix.exs
+++ b/mix.exs
@@ -82,7 +82,7 @@ defmodule Stripe.Mixfile do
       ],
       main: "readme",
       source_url: @source_url,
-      source_ref: "master",
+      source_ref: "main",
       formatters: ["html"],
       groups_for_modules: groups_for_modules(),
       nest_modules_by_prefix: nest_modules_by_prefix()