CHANGELOG.md in elastic-apm-1.0.0 vs CHANGELOG.md in elastic-apm-1.0.1

@@ -2,9 +2,18 @@
 
 All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+
+## 1.0.1 (2018-07-30)
+
+### Fixed
+
+- Fixed internal LRU cache to be threadsafe ([#178](https://github.com/elastic/apm-agent-ruby/pulls/178))
+
 ## 1.0.0 (2018-06-29)
 
 ### Added
 
 - Added config.disable_send ([#156](https://github.com/elastic/apm-agent-ruby/pulls/156))