diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13f2e50..280bb2d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,8 @@
 # Changelog
-## Unreleased
+## 1.39.0 (2026-04-02)
 - Add KBO organizations report to report generation service [OP-3738]
 - Add organizations detail report (addresses and contact info) to report generation service [OP-3738]
+- Query organisations: organisational data [OP-3761]
 
 ### Deploy notes
 ```