CHANGES.md in twilio-ruby-5.0.0.rc4 vs CHANGES.md in twilio-ruby-5.0.0.rc5

@@ -1,8 +1,15 @@
 twilio-ruby changelog
 =====================
 
-Version 5.0.0
+Version 5.0.0-rc5
+-------------
+
+Release May 31, 2016
+
+- Add preview.twilio.com/wireless support
+
+Version 5.0.0-rc4
 -------------
 
 Release March 28, 2016
 
 - Add notifications.twilio.com subdomain