diff --git a/CHANGELOG.md b/CHANGELOG.md
index eeea9666c6..9c85c41f2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## v2.40.4 - 2023-10-03
+
+[Full Changelog](https://github.com/ORCID/orcid-angular/compare/v2.40.3...v2.40.4)
+
+### Fix
+
+- Update isSelfAsserted affiliation sorting method to validate on behalf of (#2066)
+
 ## v2.40.3 - 2023-10-03
 
 [Full Changelog](https://github.com/ORCID/orcid-angular/compare/v2.40.2...v2.40.3)