diff --git a/config/runtime.exs b/config/runtime.exs
index d671728..51cf84f 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -122,4 +122,7 @@ if config_env() == :prod do
   #     config :swoosh, :api_client, Swoosh.ApiClient.Hackney
   #
   # See https://hexdocs.pm/swoosh/Swoosh.html#module-installation for details.
+  config :exmr, Exmr.Mailer,
+    adapter: Swoosh.Adapters.Brevo,
+    api_key: System.get_env("BREVO_EMAIL_API_KEY")
 end