diff --git a/CHANGELOG.md b/CHANGELOG.md
index 276556a..a3aea29 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,13 +1,23 @@
-Changelog
-=========
+# Changelog
 All notable changes to this project will be documented in this file.
 
-The format is based on `Keep a Changelog`_ and this project adheres to `Semantic Versioning`_.
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-.. _Keep a Changelog: http://keepachangelog.com/en/1.0.0/
-.. _Semantic Versioning: http://semver.org/spec/v2.0.0.html
+## [Unreleased]
 
-`Unreleased`_
--------------
+## [1.0.0] - 2019-02-26
+### Changed
+- Rewrote as package
+- Overhauled command-line arguments with "argparse".
 
-.. _Unreleased: https://github.com/uofl-csl/proxyscrape/compare/v1.0.0...HEAD
+### Added
+- Templating section added for workload file configuration interpolation.
+- Output section for output configuration.
+
+### Removed
+- Misc utility files.
+- Obsolete example config files.
+
+[Unreleased]: https://github.com/uofl-csl/iobs/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/uofl-csl/iobs/compare/v1.0.0...v1.0.0
diff --git a/README.md b/README.md
index cd37f63..9664015 100644
--- a/README.md
+++ b/README.md
@@ -253,6 +253,10 @@ run `fio <file> --output-format=json`.
 
 Usage examples can be found under the [examples](https://github.com/UOFL-CSL/iobs/tree/master/examples) folder.
 
+## Changelog
+
+All changes and versioning information can be found in the [CHANGELOG](https://github.com/UOFL-CSL/iobs/tree/master/CHANGELOG.md).
+
 ## License
 
 Copyright (c) 2018 UofL Computer Systems Lab. See [LICENSE](https://github.com/UOFL-CSL/iobs/tree/master/LICENSE) for details.