CHANGES.md in twilio-ruby-5.31.5 vs CHANGES.md in twilio-ruby-5.31.6

@@ -1,7 +1,38 @@
 twilio-ruby changelog
 =====================
 
+[2020-03-04] Version 5.31.6
+---------------------------
+**Library - Chore**
+- [PR #497](https://github.com/twilio/twilio-ruby/pull/497): clean up and upgrade dev dependencies. Thanks to [@childish-sambino](https://github.com/childish-sambino)!
+
+**Authy**
+- Added the `configuration` property to services to return the service level configurations
+- Added optional parameter `Push` when creating a service to send the service level push factor configuration
+- Remove FactorStrength support for Factors and Challenges **(breaking change)**
+
+**Messaging**
+- Correct the alpha sender capabilities property type **(breaking change)**
+
+**Preview**
+- Removed `/Devices` register Branded Calls endpoint, as per iOS sample app deprecation **(breaking change)**
+- Removed `Twilio-Sandbox-Mode` request header from the Branded Calls endpoints, as not officially supported **(breaking change)**
+- Removed `Verify` version from `preview` subdomain in favor to `verify` subdomain. **(breaking change)**
+
+**Serverless**
+- Add UI-Editable field to Services
+
+**Supersim**
+- Add `inactive` status for Super SIM which is an alias for `deactivated`
+
+**Taskrouter**
+- Adding value range to `priority` in task endpoint
+
+**Verify**
+- Fix `SendCodeAttempts` type. It's an array of objects instead of a unique object. **(breaking change)**
+
+
 [2020-02-19] Version 5.31.5
 ---------------------------
 **Library - Chore**
 - [PR #495](https://github.com/twilio/twilio-ruby/pull/495): bump the rubocop version. Thanks to [@childish-sambino](https://github.com/childish-sambino)!