diff --git a/pytket/docs/changelog.rst b/pytket/docs/changelog.rst
index 223b0ff45c..964de403b0 100644
--- a/pytket/docs/changelog.rst
+++ b/pytket/docs/changelog.rst
@@ -1,8 +1,8 @@
 Changelog
 =========
 
-Unreleased
-----------
+1.39.0 (January 2025)
+---------------------
 
 Features: