diff --git a/README.md b/README.md
index 60dd4db1e..167ae9c21 100644
--- a/README.md
+++ b/README.md
@@ -845,10 +845,10 @@ SOFTWARE.
 [log-viewer-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
 [log-viewer-armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
 [log-viewer-i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
-[addon-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/tree/d6e237a
-[addon-doc-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/blob/d6e237a/README.md
+[addon-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/tree/62369e8
+[addon-doc-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/blob/62369e8/README.md
 [mqtt-io-issue]: https://github.com/hassio-addons/addon-mqtt-io/issues
-[mqtt-io-version-shield]: https://img.shields.io/badge/version-d6e237a-blue.svg
+[mqtt-io-version-shield]: https://img.shields.io/badge/version-62369e8-blue.svg
 [mqtt-io-aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
 [mqtt-io-amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
 [mqtt-io-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
diff --git a/mqtt-io/CHANGELOG.md b/mqtt-io/CHANGELOG.md
index 5e3221e69..f3858a1c9 100644
--- a/mqtt-io/CHANGELOG.md
+++ b/mqtt-io/CHANGELOG.md
@@ -1,9 +1 @@
-- Improvements after first iteration (#1)
-
-* Add option to specify configuration file location
-
-* Add configuration_file schema
-
-* Update documentation
-
-* Fix add-on options vs config
+- 🔒 Sign add-on with Codenotary Community Attestation Service (CAS) (#6)
diff --git a/mqtt-io/README.md b/mqtt-io/README.md
index 3ed2212ad..5da78e439 100644
--- a/mqtt-io/README.md
+++ b/mqtt-io/README.md
@@ -37,5 +37,5 @@ If you are more interested in stable releases of our add-ons:
 [forum]: https://community.home-assistant.io/?u=frenck
 [maintenance-shield]: https://img.shields.io/maintenance/yes/2022.svg
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-experimental-yellow.svg
-[release-shield]: https://img.shields.io/badge/version-d6e237a-blue.svg
-[release]: https://github.com/hassio-addons/addon-mqtt-io/tree/d6e237a
\ No newline at end of file
+[release-shield]: https://img.shields.io/badge/version-62369e8-blue.svg
+[release]: https://github.com/hassio-addons/addon-mqtt-io/tree/62369e8
\ No newline at end of file
diff --git a/mqtt-io/config.yaml b/mqtt-io/config.yaml
index 93de7eec8..69cf51457 100644
--- a/mqtt-io/config.yaml
+++ b/mqtt-io/config.yaml
@@ -4,6 +4,7 @@ arch:
 - armhf
 - armv7
 - i386
+codenotary: codenotary@frenck.dev
 description: Expose GPIO modules and digital sensors via MQTT for remote control and
   monitoring.
 devices:
@@ -27,4 +28,4 @@ schema:
 slug: mqtt-io
 uart: true
 url: https://github.com/hassio-addons/addon-mqtt-io
-version: d6e237a
+version: 62369e8