CHANGES.md in twilio-ruby-5.2.2 vs CHANGES.md in twilio-ruby-5.2.3

@@ -1,7 +1,15 @@
 twilio-ruby changelog
 =====================
 
+[2017-09-15] Version 5.2.3
+---------------------------
+**Api**
+- Add `sip_registration` property on SIP Domains
+- Add new video and market usage category keys
+- Add support for transferring IncomingPhoneNumbers between accounts.
+
+
 [2017-09-08] Version 5.2.2
 ---------------------------
 - Add configurable timeout to HttpClient
 
 [2017-09-01] Version 5.2.1