diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6465f28..87575cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [3.9.0](https://github.com/bjerkio/tripletexjs/compare/v3.8.0...v3.9.0) (2022-05-14)
+
+
+### Features
+
+* add event method ([741fee5](https://github.com/bjerkio/tripletexjs/commit/741fee55f6dd3e42cb53c277d205b33d122ac943))
+
 ## [3.8.0](https://github.com/bjerkio/tripletexjs/compare/v3.7.0...v3.8.0) (2022-04-30)
 
 
diff --git a/package.json b/package.json
index 27b5367..375a942 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tripletexjs",
-  "version": "3.8.0",
+  "version": "3.9.0",
   "description": "Typescript-wrapper for Tripletex 2.0 API",
   "main": "dist/index.js",
   "files": [