diff --git a/lib/docurest/envelope/email_settings.rb b/lib/docurest/envelope/email_settings.rb
index c641b1a..e535c4d 100644
--- a/lib/docurest/envelope/email_settings.rb
+++ b/lib/docurest/envelope/email_settings.rb
@@ -35,7 +35,8 @@ module Docurest
     def to_h
       {
         replyEmailAddressOverride: replyEmailAddressOverride,
-        replyEmailNameOverride: replyEmailNameOverride
+        replyEmailNameOverride: replyEmailNameOverride,
+        bccEmailAddresses: bccEmailAddresses
       }
     end