diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf172df5..cd060f3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,21 @@
All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+# [5.0.0](https://github.com/yargs/yargs-parser/compare/v4.2.1...v5.0.0) (2017-02-18)
+
+
+### Bug Fixes
+
+* environment variables should take precedence over config file ([#81](https://github.com/yargs/yargs-parser/issues/81)) ([76cee1f](https://github.com/yargs/yargs-parser/commit/76cee1f))
+
+
+### BREAKING CHANGES
+
+* environment variables will now override config files (args, env, config-file, config-object)
+
+
+
## [4.2.1](https://github.com/yargs/yargs-parser/compare/v4.2.0...v4.2.1) (2017-01-02)
diff --git a/package.json b/package.json
index 9b3ddd55..d025a7ef 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
{
"name": "yargs-parser",
- "version": "4.2.1",
+ "version": "5.0.0",
"description": "the mighty option parser used by yargs",
"main": "index.js",
"scripts": {