diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa01d20c2ca..df7220ce377 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v2.40.0 - 2023-09-07
+
+[Full Changelog](https://github.com/ORCID/ORCID-Source/compare/v2.39.7...v2.40.0)
+
 ## v2.39.7 - 2023-09-07
 
 [Full Changelog](https://github.com/ORCID/ORCID-Source/compare/v2.39.6...v2.39.7)