diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13bea097..5678ec9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ 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).
 
 ## [8.4.0] - 2024.02.19
+diff: https://github.com/mcneel/rhino3dm/compare/8.0.1...8.4.0
 
 ### Added
 - (py) added macos-12 to python builds