diff --git a/README.md b/README.md
index aec1d8e22..2541fb719 100644
--- a/README.md
+++ b/README.md
@@ -872,10 +872,10 @@ SOFTWARE.
 [mopidy-armhf-shield]: https://img.shields.io/badge/armhf-no-red.svg
 [mopidy-armv7-shield]: https://img.shields.io/badge/armv7-no-red.svg
 [mopidy-i386-shield]: https://img.shields.io/badge/i386-no-red.svg
-[addon-nut]: https://github.com/hassio-addons/addon-nut/tree/v0.9.1
-[addon-doc-nut]: https://github.com/hassio-addons/addon-nut/blob/v0.9.1/README.md
+[addon-nut]: https://github.com/hassio-addons/addon-nut/tree/8aa8fda
+[addon-doc-nut]: https://github.com/hassio-addons/addon-nut/blob/8aa8fda/README.md
 [nut-issue]: https://github.com/hassio-addons/addon-nut/issues
-[nut-version-shield]: https://img.shields.io/badge/version-v0.9.1-blue.svg
+[nut-version-shield]: https://img.shields.io/badge/version-8aa8fda-blue.svg
 [nut-aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
 [nut-amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
 [nut-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
diff --git a/nut/CHANGELOG.md b/nut/CHANGELOG.md
index 8420c5e2d..b4948e030 100644
--- a/nut/CHANGELOG.md
+++ b/nut/CHANGELOG.md
@@ -1,13 +1,3 @@
-## What’s changed
-
-## 🧰 Maintenance
-
-- 🚀 Update CI to latest version @frenck (#209)
-
-## 📚 Documentation
-
-- 📚 Update Year 🎉 @sinclairpaul (#210)
-
-## ⬆️ Dependency updates
-
-- ⬆️ Upgrades add-on base image to 5.2.3 @frenck (#212)
+# Changelog since v0.9.1
+- 🔒 Sign add-on with Codenotary Community Attestation Service (CAS) (#219) 
+- ⬆️ Upgrades add-on base image to 5.3.0 (#218) 
diff --git a/nut/README.md b/nut/README.md
index f17443ece..387fe6cb9 100644
--- a/nut/README.md
+++ b/nut/README.md
@@ -61,5 +61,5 @@ If you are more interested in stable releases of our add-ons:
 [nut-features]: https://networkupstools.org/features.html
 [nut-ha-docs]: https://www.home-assistant.io/integrations/nut/
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-experimental-yellow.svg
-[release-shield]: https://img.shields.io/badge/version-v0.9.1-blue.svg
-[release]: https://github.com/hassio-addons/addon-nut/tree/v0.9.1
\ No newline at end of file
+[release-shield]: https://img.shields.io/badge/version-8aa8fda-blue.svg
+[release]: https://github.com/hassio-addons/addon-nut/tree/8aa8fda
\ No newline at end of file
diff --git a/nut/config.yaml b/nut/config.yaml
index bb9ca244b..cc1892c1e 100644
--- a/nut/config.yaml
+++ b/nut/config.yaml
@@ -4,6 +4,7 @@ arch:
 - armhf
 - armv7
 - i386
+codenotary: codenotary@frenck.dev
 description: Manage battery backup (UPS) devices
 hassio_api: true
 hassio_role: manager
@@ -61,4 +62,4 @@ uart: true
 udev: true
 url: https://github.com/hassio-addons/addon-nut
 usb: true
-version: 0.9.1
+version: 8aa8fda