diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ddd7e164..b9699b86a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
 ### Added
 - Support for improv as used by esp-web-tools
 - Command ``IfxSensor 1`` to send non-teleperiod data to influxdb
+- ESP32 Support for OpenHASP v1.0 by Stephan Hadinger (#15307)
 
 ### Changed
 - Remove support for Internet Explorer by allowing ECMAScript6 syntax using less JavaScript code bytes (#15280)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index b76d9dfdf..953f5ae25 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -123,6 +123,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 - NeoPool JSON modules, power module, cell info, chlorine, conductivity and ionization
 - ESP32 Berry always enable rules
 - ESP32 Berry bootloop protection
+- ESP32 Support for OpenHASP v1.0 by Stephan Hadinger [#15307](https://github.com/arendst/Tasmota/issues/15307)
 - ESP32 support for BLE Mi scale V1 [#13517](https://github.com/arendst/Tasmota/issues/13517)
 - ESP32 integrate Homekit in Bluetooth binary [#14818](https://github.com/arendst/Tasmota/issues/14818)
 - ESP32 Berry virtual Alexa hue device [#14833](https://github.com/arendst/Tasmota/issues/14833)