diff --git a/README.md b/README.md
index fede928c8..74889a5a3 100644
--- a/README.md
+++ b/README.md
@@ -1052,10 +1052,10 @@ SOFTWARE.
 [zwavejs2mqtt-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
 [zwavejs2mqtt-armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
 [zwavejs2mqtt-i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
-[addon-zerotier]: https://github.com/hassio-addons/addon-zerotier/tree/e1f07fa
-[addon-doc-zerotier]: https://github.com/hassio-addons/addon-zerotier/blob/e1f07fa/README.md
+[addon-zerotier]: https://github.com/hassio-addons/addon-zerotier/tree/6fa6e81
+[addon-doc-zerotier]: https://github.com/hassio-addons/addon-zerotier/blob/6fa6e81/README.md
 [zerotier-issue]: https://github.com/hassio-addons/addon-zerotier/issues
-[zerotier-version-shield]: https://img.shields.io/badge/version-e1f07fa-blue.svg
+[zerotier-version-shield]: https://img.shields.io/badge/version-6fa6e81-blue.svg
 [zerotier-aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
 [zerotier-amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
 [zerotier-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
diff --git a/zerotier/CHANGELOG.md b/zerotier/CHANGELOG.md
index 13fd43e85..521ba0525 100644
--- a/zerotier/CHANGELOG.md
+++ b/zerotier/CHANGELOG.md
@@ -1,2 +1,3 @@
 # Changelog since v0.12.2
+- 🔒 Sign add-on with Codenotary Community Attestation Service (CAS) (#139) 
 - ⬆️ Upgrades add-on base image to 11.1.0 (#138) 
diff --git a/zerotier/README.md b/zerotier/README.md
index 7a14d7009..650a5d7f1 100644
--- a/zerotier/README.md
+++ b/zerotier/README.md
@@ -51,5 +51,5 @@ If you are more interested in stable releases of our add-ons:
 [patreon-shield]: https://frenck.dev/wp-content/uploads/2019/12/patreon.png
 [patreon]: https://www.patreon.com/frenck
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-experimental-yellow.svg
-[release-shield]: https://img.shields.io/badge/version-e1f07fa-blue.svg
-[release]: https://github.com/hassio-addons/addon-zerotier/tree/e1f07fa
\ No newline at end of file
+[release-shield]: https://img.shields.io/badge/version-6fa6e81-blue.svg
+[release]: https://github.com/hassio-addons/addon-zerotier/tree/6fa6e81
\ No newline at end of file
diff --git a/zerotier/config.yaml b/zerotier/config.yaml
index 0104504c3..9345182d6 100644
--- a/zerotier/config.yaml
+++ b/zerotier/config.yaml
@@ -4,6 +4,7 @@ arch:
 - armhf
 - armv7
 - i386
+codenotary: codenotary@frenck.dev
 description: Radically simplify your network with a virtual networking layer that
   works the same everywhere
 devices:
@@ -32,4 +33,4 @@ schema:
 slug: zerotier
 startup: services
 url: https://github.com/hassio-addons/addon-zerotier
-version: e1f07fa
+version: 6fa6e81