diff --git a/CHANGELOG.md b/CHANGELOG.md
index a59019e..dc1909a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,18 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+## [0.10.9] - 2023-11-14
+
+### Added
+
+- Several unit tests have been added to cover budget and transaction calculations.
+
+### Fixed
+
+- Bug in calculation of value_local for some transactions: https://github.com/iati-data-access/iati-flattener/issues/9
+- Budget splitting: budgets are now split by calculating a day rate, which is then used 
+to work out the amount for each budget period. https://github.com/iati-data-access/iati-flattener/issues/16
+
 ## [0.10.8] - 2023-08-31
 
 ### Fixed
diff --git a/setup.py b/setup.py
index 9c0f63e..cbb448f 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 setup(
     name="iatiflattener",
     packages=find_packages(exclude=['ez_setup', 'examples']),
-    version='0.10.8',
+    version='0.10.9',
     description="A set of tools to flatten IATI data.",
     author="Mark Brough",
     author_email="mark@brough.io",