diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3a15b48b38ffa0e006f839098acdf1144c9a9ad..c92a66bbd6802361dce0cfe15aca829984fa8388 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 All notable changes to this project will be documented in this file. See
 [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [1.9.0](https://code.vereign.com/gaiax/ocm/ocm-engine/compare/v1.8.0...v1.9.0) (2023-09-19)
+
+
+### Features
+
+* improve proof api ([ab95aac](https://code.vereign.com/gaiax/ocm/ocm-engine/commit/ab95aac816b582c250f3f07a1c0f287a82ef9bff))
+
 ## [1.8.0](https://code.vereign.com/gaiax/ocm/ocm-engine/compare/v1.7.1...v1.8.0) (2023-09-12)