CHANGES.md in twilio-ruby-5.22.0 vs CHANGES.md in twilio-ruby-5.22.1

@@ -1,7 +1,22 @@
 twilio-ruby changelog
 =====================
 
+[2019-04-12] Version 5.22.1
+----------------------------
+**Flex**
+- Adding PluginService to Flex Configuration
+
+**Numbers**
+- Add API for Proof of Addresses
+
+**Proxy**
+- Clarify documentation for Service and Session fetch
+
+**Serverless**
+- Serverless scaffolding
+
+
 [2019-03-28] Version 5.22.0
 ----------------------------
 **Api**
 - Remove optional `if_machine` call create parameter from helper libraries **(breaking change)**
 - Changed `call_sid` path parameter type on QueueMember fetch and update requests **(breaking change)**