diff --git a/.versionbot/CHANGELOG.yml b/.versionbot/CHANGELOG.yml
index 963df829..e3925908 100644
--- a/.versionbot/CHANGELOG.yml
+++ b/.versionbot/CHANGELOG.yml
@@ -1,3 +1,21 @@
+- commits:
+    - subject: 'firewall: Add Host Firewall functionality'
+      hash: 28c5a44e714a3f155fbd528d0ec672dec1d96ef8
+      body: |
+        Controlled by BALENA_HOST_FIREWALL_MODE, the firewall can
+        either be 'on' or 'off'.
+
+        - In the 'off' state, all traffic is allowed.
+        - In the 'on' state, only traffic for the core services provided
+          by Balena is allowed.
+      footer:
+        Change-type: patch
+        change-type: patch
+        Signed-off-by: Rich Bayliss <rich@balena.io>
+        signed-off-by: Rich Bayliss <rich@balena.io>
+      author: Rich Bayliss
+  version: 11.9.1
+  date: 2020-07-01T17:45:22.146Z
 - commits:
     - subject: Added support for configuring FDT directive in extlinux.conf
       hash: 59fc589eb23bdf8c79c677734d2792b93380c94c
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe08584d..a6eadbc4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file
 automatically by Versionist. DO NOT EDIT THIS FILE MANUALLY!
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+# v11.9.1
+## (2020-07-01)
+
+* firewall: Add Host Firewall functionality [Rich Bayliss]
+
 # v11.9.0
 ## (2020-06-23)
 
diff --git a/VERSION b/VERSION
index 6b3621db..6bab554b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-11.9.0
\ No newline at end of file
+11.9.1
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index bb357e1c..8606117e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "balena-supervisor",
-  "version": "11.9.0",
+  "version": "11.9.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index be1f7ff3..07357632 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "balena-supervisor",
   "description": "This is balena's Supervisor, a program that runs on IoT devices and has the task of running user Apps (which are Docker containers), and updating them as the balena API informs it to.",
-  "version": "11.9.0",
+  "version": "11.9.1",
   "license": "Apache-2.0",
   "repository": {
     "type": "git",