CHANGELOG.md in rancher-api-0.3.8 vs CHANGELOG.md in rancher-api-0.4.0

- old
+ new

@@ -1,13 +1,16 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.4.0] - 2016-07-14
 
+- update dependencies to work with Rails 5
+- update README.md
+
 ## [0.3.8] - 2016-03-15
 
 - add Ipaddress class and association to Host class
-
 
 ## [0.3.7] - 2016-03-15
 
 - fix an issue with RANCHER_URL env variable (append `/v1/` to the RANCHER_URL env variable if it exists). This way RANCHER_URL becomes truly `rancher-compose`-compatible.
 