diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06ed5565b4..8d110bede8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Unreleased
+# 8.9.0
 
 Features:
 
diff --git a/VERSION.txt b/VERSION.txt
index 3b6825376a..e5c15102d9 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-8.8.0
+8.9.0
diff --git a/package.json b/package.json
index 76d8e51e1c..c434c0a6ae 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "express-prototype",
   "description": "GOVUK prototyping app in Express",
-  "version": "8.8.0",
+  "version": "8.9.0",
   "private": true,
   "engines": {
     "node": "^10.0.0"