diff --git a/CHANGELOG.md b/CHANGELOG.md
index 70873fa..4f7da71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ All notable changes to [node-xsd-schema-validator](https://github.com/nikku/node
 
 ___Note:__ Yet to be released changes appear here._
 
+## 0.9.0
+
+* `FEAT`: add type definitions ([#36](https://github.com/nikku/node-xsd-schema-validator/issues/36), [#37](https://github.com/nikku/node-xsd-schema-validator/pull/37))
+
 ## 0.8.1
 
 * `FIX`: ship `support` folder