diff --git a/eleventy.config.js b/eleventy.config.js
index c8dc326..637b54e 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -16,6 +16,7 @@ module.exports = function (eleventyConfig) {
     opengraphImageUrl:
       'https://x-govuk.github.io/govuk-design-history-docs/assets/opengraph-image.png',
     homeKey: 'GOV.UK Design History',
+    titleSuffix: 'GOV.UK Design History',
     parentSite: {
       url: 'https://x-govuk.github.io/#projects',
       name: 'X-GOVUK projects'
diff --git a/package-lock.json b/package-lock.json
index 9aa4758..1792ef4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -826,9 +826,9 @@
       "integrity": "sha512-Klz949h02Gz2uZCMGwDUSDS1YBlTdDDgbWHi+81l29tQALUtvz4rAYi5uoVhE5Lagoq6DeqAUlbrHvW/mXDgdQ=="
     },
     "node_modules/@types/node": {
-      "version": "20.14.11",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.14.11.tgz",
-      "integrity": "sha512-kprQpL8MMeszbz6ojB5/tU8PLN4kesnN8Gjzw349rDlNgsSzg90lAVj3llK99Dh7JON+t9AuscPPFW6mPbTnSA==",
+      "version": "20.14.12",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.14.12.tgz",
+      "integrity": "sha512-r7wNXakLeSsGT0H1AU863vS2wa5wBOK4bWMjZz2wj+8nBx+m5PeIn0k8AloSLpRuiwdRQZwarZqHE4FNArPuJQ==",
       "optional": true,
       "dependencies": {
         "undici-types": "~5.26.4"
@@ -852,9 +852,9 @@
       "dev": true
     },
     "node_modules/@x-govuk/govuk-eleventy-plugin": {
-      "version": "6.3.1",
-      "resolved": "https://registry.npmjs.org/@x-govuk/govuk-eleventy-plugin/-/govuk-eleventy-plugin-6.3.1.tgz",
-      "integrity": "sha512-cfIt2euNhLu/4LWNqa8P7YLQeJAxSEO3dT6+c8CvZRv6xRya02+HJTakUItLpZxeNrwp7JezcbsavMLmyJ/4dw==",
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/@x-govuk/govuk-eleventy-plugin/-/govuk-eleventy-plugin-6.4.0.tgz",
+      "integrity": "sha512-UYdpzcuJvrBD0brqc2IdDUK/VIPw45Hh8tlU1F0hRC9iUCX8lNGPZwcVX/B7BmpQMkaOE+OfPIzYuXXhMNNmiQ==",
       "dependencies": {
         "@11ty/eleventy": "^2.0.0",
         "@11ty/eleventy-navigation": "^0.3.2",