diff --git a/CHANGELOG.md b/CHANGELOG.md
index edc564322..666bdc640 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,20 @@ 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).
 
+## [1.4.0] - 2024-03-26
+
+### Added
+
+- New metrics best practice guide
+
+### Changed
+
+- Updated all guides to use new template
+- New look-and-feel, navigation for SLIM website
+- Improved onboarding for new people
+- Fixed broken links on website
+- Dependency updates
+
 ## [1.3.0] - 2023-06-12
 
 ### Added