CHANGELOG.md in sensu-plugins-elasticsearch-0.3.2 vs CHANGELOG.md in sensu-plugins-elasticsearch-0.4.0

@@ -3,9 +3,14 @@
 
 This CHANGELOG follows the format listed at [Keep A Changelog](http://keepachangelog.com/)
 
 ## Unreleased
 
+## [0.4.0] - 2016-01-22
+### Added
+- metrics-es-node-graphite.rb: Added file system and cpu stats
+- metrics-es-cluster.rb: Added cluster metrics including optional percolator metrics, allocation status, and option to run on non-master nodes
+
 ## [0.3.2] - 2015-12-29
 ### Changed
 - Update metrics-es-node.rb for Elasticsearch 2.0
 
 ## [0.3.1] - 2015-12-29