CHANGES.md in twilio-ruby-5.19.0 vs CHANGES.md in twilio-ruby-5.20.0

@@ -1,7 +1,20 @@
 twilio-ruby changelog
 =====================
 
+[2019-02-04] Version 5.20.0
+----------------------------
+**Library**
+- PR #437: Switch body validator to use hex instead of base64. Thanks to @cjcodes!
+
+**Video**
+- [Recordings] Add media type filter to list operation
+- [Composer] Filter Composition Hook resources by FriendlyName
+
+**Twiml**
+- Update `language` enum for `Gather` to fix language code for Filipino (Philippines) and include additional supported languages **(breaking change)**
+
+
 [2019-01-11] Version 5.19.0
 ----------------------------
 **Library**
 - PR #436: Remove jruby-openssl requirement. Thanks to @philnash!