diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6bd0d62..b4870b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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
+
+### Fixed
+
+- IPv4/UInt32 conversions are not endianness-agnostic. [#46](https://github.com/keeshux/tunnelkit/pull/46)
+
 ## 1.3.0 (2018-10-28)
 
 ### Changed