diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc88662..c05354a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 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).
 
+## Unreleased
+
+### Changed
+
+- Refactored tunnel configuration API for increased code reuse. [#44](https://github.com/keeshux/tunnelkit/pull/44)
+
+### Deprecated
+
+- Use high-level accessories instead of `debugLogKey` and `lastErrorKey`. [#45](https://github.com/keeshux/tunnelkit/pull/45)
+
 ## 1.2.2 (2018-10-25)
 
 ### Changed