diff --git a/CHANGES.rst b/CHANGES.rst
index 4ee2ffa..f526168 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,7 +4,7 @@ Changelog for bmi-example-python
 2.1.3 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Added type annotation for the heat package (#36)
 
 
 2.1.2 (2024-01-05)