diff --git a/config/releases.exs b/config/releases.exs
index dc6b3f2..104c817 100644
--- a/config/releases.exs
+++ b/config/releases.exs
@@ -23,7 +23,7 @@ secret_key_base =
 host = System.get_env("HOST") || "localhost"
 
 config :cannery, CanneryWeb.Endpoint,
-  url: [host: host],
+  url: [scheme: "https", host: host, port: "443"],
   http: [
     port: String.to_integer(System.get_env("PORT") || "80"),
     transport_options: [socket_opts: [:inet6]]