diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e27b81..1fb8512 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,7 @@
   useful summary for people upgrading their application, not a replication
   of the commit log.
 
-## Unreleased
+## 1.1.0
 
 - Update miller-columns-element to `govuk-frontend` 3.2 (PR #23)
 
diff --git a/package-lock.json b/package-lock.json
index 8da1e65..bf9e91b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "miller-columns-element",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index c648f97..6ad344a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "miller-columns-element",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Miller columns (cascading lists) for hierarchical topic selection on GOV.UK taxonomy",
   "main": "dist/index.umd.js",
   "module": "dist/index.esm.js",