diff --git a/CHANGELOG.md b/CHANGELOG.md
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+++ b/CHANGELOG.md
@@ -1,12 +1,21 @@
 # Changelog
 
 
+
+## [0.9.0] – 2023-09-28
+### Changed
+- now CityJSON v2.0 is the default version
+- fixes for gltf export
+- fix the cjio subset and children
+### Added
+- added an upgrade ops for v2.0 files
+
+
 ## [0.8.2] – 2023-07-13
 ### Changed
 - Removed the emojis in the console output for the function 'info'
 
 
-
 ## [0.8.1] – 2023-02-06
 ### Added
 - Added the `translate` paramter to `cityjson.compress` to manually set the tranlation properties instead of computing from the data.