CHANGELOG.md in stellar-base-0.4.0 vs CHANGELOG.md in stellar-base-0.5.0

@@ -1,9 +1,17 @@
-# Changelog All notable changes to this project will be documented in this
+# Changelog 
+
+All notable changes to this project will be documented in this
 file.  This project adheres to [Semantic Versioning](http://semver.org/).
 
 As this project is pre 1.0, breaking changes may happen for minor version
 bumps.  A breaking change will get clearly notified in this log.
+
+## [0.5.0](https://github.com/stellar/ruby-stellar-base/compare/v0.4.0...v0.5.0)
+
+### Changed
+
+- Update to latest xdr
 
 ## [0.4.0](https://github.com/stellar/ruby-stellar-base/compare/v0.3.0...v0.4.0)
 
 ### Changed
 - BREAKING CHANGE: "Amounts", that is, input parameters that represent a