diff --git a/Changelog.md b/Changelog.md
index 95c8b53d..ca68bb66 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -21,6 +21,7 @@
 -   Updated built environment to `espressif32@v5.2.0`
 -   [#1176](https://github.com/jomjol/AI-on-the-edge-device/discussions/1176) accept minor negative values (-0.2) if extended resolution is enabled
 -   [#1143](https://github.com/jomjol/AI-on-the-edge-device/issues/1143) added config parameter AnalogDigitalTransitionStart. It can setup very early and very late digit transition starts.
+- new version of dig-class100 (v1.4.0): added images of heliowatt powermeter 
 ### Fixed
 
 -   [#1116](https://github.com/jomjol/AI-on-the-edge-device/issues/1116) precision problem at setting prevalue