diff --git a/README.md b/README.md
index 67a4e936..eb0d8d7c 100644
--- a/README.md
+++ b/README.md
@@ -723,10 +723,10 @@ SOFTWARE.
 [appdaemon-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
 [appdaemon-armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
 [appdaemon-i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
-[addon-bookstack]: https://github.com/hassio-addons/addon-bookstack/tree/v0.12.1
-[addon-doc-bookstack]: https://github.com/hassio-addons/addon-bookstack/blob/v0.12.1/README.md
+[addon-bookstack]: https://github.com/hassio-addons/addon-bookstack/tree/v0.13.0
+[addon-doc-bookstack]: https://github.com/hassio-addons/addon-bookstack/blob/v0.13.0/README.md
 [bookstack-issue]: https://github.com/hassio-addons/addon-bookstack/issues
-[bookstack-version-shield]: https://img.shields.io/badge/version-v0.12.1-blue.svg
+[bookstack-version-shield]: https://img.shields.io/badge/version-v0.13.0-blue.svg
 [bookstack-aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
 [bookstack-amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
 [bookstack-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
diff --git a/bookstack/CHANGELOG.md b/bookstack/CHANGELOG.md
index cbb3c0d2..dca2677c 100644
--- a/bookstack/CHANGELOG.md
+++ b/bookstack/CHANGELOG.md
@@ -2,18 +2,23 @@
 
 ## 🚀 Enhancements
 
-- 🔨 Add TLSv1.3 @sinclairpaul (#121)
+- 🔑 Update NGINX SSL parameters @frenck (#127)
+- ✨ Add options for setting and displaying Appkey @sinclairpaul (#136)
+
+## 🧰 Maintenance
+
+- 🚀 Add-on CI improvements @frenck (#124)
+
+## 📚 Documentation
+
+- 🚑 Fix contributing link in readme @frenck (#126)
 
 ## ⬆️ Dependency updates
 
-- Bump docker/login-action from 1.9.0 to 1.10.0 @dependabot (#110)
-- ⬆️ Upgrades mariadb-client to 10.5.11-r0 @frenck (#116)
-- Bump docker/setup-buildx-action from 1.3.0 to 1.5.1 @dependabot (#115)
-- Bump dessant/lock-threads from 2.0.3 to 2.1.1 @dependabot (#114)
-- Bump docker/build-push-action from 2.5.0 to 2.6.1 @dependabot (#112)
-- ⬆️ Upgrades php7 to 7.4.21-r0 @frenck (#117)
-- ⬆️ Upgrades BookStack to v21.05.3 @frenck (#118)
-- Bump frenck/action-addon-linter from 2.1 to 2.2 @dependabot (#119)
-- Bump actions/stale from 3.0.19 to 4 @dependabot (#120)
-- ⬆ Update php to 7.4.22-r0 @sinclairpaul (#122)
-- ⬆ Update Bookstack to v21.05.4 @sinclairpaul (#123)
+- ⬆️ Upgrades mariadb-client to 10.5.12-r0 @frenck (#125)
+- Bump dessant/lock-threads from 2.1.1 to 2.1.2 @dependabot (#128)
+- Bump docker/build-push-action from 2.6.1 to 2.7.0 @dependabot (#130)
+- Bump frenck/action-addon-linter from 2.2 to 2.3 @dependabot (#131)
+- Bump docker/setup-buildx-action from 1.5.1 to 1.6.0 @dependabot (#133)
+- Bump creyD/prettier_action from 3.3 to 4.0 @dependabot (#134)
+- ⬆ Update Bookstack to v21.08.3. @sinclairpaul (#137)
diff --git a/bookstack/DOCS.md b/bookstack/DOCS.md
index de937d7d..0b3700be 100644
--- a/bookstack/DOCS.md
+++ b/bookstack/DOCS.md
@@ -89,6 +89,16 @@ Only applies if a remote MYSQL database is used, the password of the above user.
 Only applies if a remote MYSQL database is used, the port that the database
 server is listening on.
 
+### Option: `show_appkey`
+
+If set to `true`, will show the currently configured appkey in the addon logs.
+This should be recorded in case of a restore.
+
+### Option: `appkey`
+
+Allows the appkey to be defined by the user, in case of restoring from another
+system. Will automatically be removed from config on first run if set.
+
 ### Option: `envvars`
 
 This allows the setting of Environment Variables to control Bookstack
diff --git a/bookstack/README.md b/bookstack/README.md
index 16e6e0ec..8b7a8d12 100644
--- a/bookstack/README.md
+++ b/bookstack/README.md
@@ -39,6 +39,6 @@ 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/2021.svg
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-experimental-yellow.svg
-[release-shield]: https://img.shields.io/badge/version-v0.12.1-blue.svg
-[release]: https://github.com/hassio-addons/addon-bookstack/tree/v0.12.1
+[release-shield]: https://img.shields.io/badge/version-v0.13.0-blue.svg
+[release]: https://github.com/hassio-addons/addon-bookstack/tree/v0.13.0
 [screenshot]: https://github.com/hassio-addons/addon-bookstack/raw/main/images/screenshot.png
\ No newline at end of file
diff --git a/bookstack/config.json b/bookstack/config.json
index b99be4d7..08ffbcc3 100644
--- a/bookstack/config.json
+++ b/bookstack/config.json
@@ -1,6 +1,6 @@
 {
   "name": "Bookstack",
-  "version": "0.12.1",
+  "version": "0.13.0",
   "slug": "bookstack",
   "description": "Simple & Free Wiki Software",
   "url": "https://github.com/hassio-addons/addon-bookstack",
@@ -37,6 +37,8 @@
     "remote_mysql_username": "str?",
     "remote_mysql_password": "password?",
     "remote_mysql_port": "int?",
+    "show_appkey": "bool?",
+    "appkey": "str?",
     "log_level": "list(trace|debug|info|notice|warning|error|fatal)?",
     "certfile": "str",
     "keyfile": "str",