FIX: Add soundcloud iframe origin

FIX: Add soundcloud iframe origin

diff --git a/lib/onebox/engine/soundcloud_onebox.rb b/lib/onebox/engine/soundcloud_onebox.rb
index cb72cd7..eb6b153 100644
--- a/lib/onebox/engine/soundcloud_onebox.rb
+++ b/lib/onebox/engine/soundcloud_onebox.rb
@@ -7,6 +7,7 @@ module Onebox
       include StandardEmbed
 
       matches_regexp(/^https?:\/\/soundcloud\.com/)
+      requires_iframe_origins "https://w.soundcloud.com"
       always_https
 
       def to_html
diff --git a/lib/onebox/version.rb b/lib/onebox/version.rb
index e60fd5e..39f2c51 100644
--- a/lib/onebox/version.rb
+++ b/lib/onebox/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Onebox
-  VERSION = "2.1.0"
+  VERSION = "2.1.1"
 end

GitHub sha: 73a35fae