diff --git a/docs/examples/masthead-below-primary-navigation.njk b/docs/examples/masthead-below-service-navigation.njk
similarity index 69%
rename from docs/examples/masthead-below-primary-navigation.njk
rename to docs/examples/masthead-below-service-navigation.njk
index 29f950d..e54ce6f 100644
--- a/docs/examples/masthead-below-primary-navigation.njk
+++ b/docs/examples/masthead-below-service-navigation.njk
@@ -1,26 +1,19 @@
 ---
 eleventyExcludeFromCollections: true
 layout: example-full-width.njk
-title: Masthead example below primary navigation
+title: Masthead example below service navigation
 ---
-<style>
-  .app-header--full-width-border {
-    border-bottom: 10px solid #1f70b8;
-  }
-</style>
-
 {% from "govuk/components/header/macro.njk" import govukHeader %}
 {{ govukHeader({
-  classes: "app-header--full-width-border"
+  classes: "govuk-header--full-width-border"
 }) }}
 
-{% from "x-govuk/components/primary-navigation/macro.njk" import xGovukPrimaryNavigation %}
-{{ xGovukPrimaryNavigation({
-  visuallyHiddenTitle: "Navigation",
-  items: [{
+{% from "govuk/components/service-navigation/macro.njk" import govukServiceNavigation %}
+{{ govukServiceNavigation({
+  navigation: [{
     text: "Home",
     href: "#",
-    current: true
+    active: true
   }, {
     text: "Support",
     href: "#"
diff --git a/docs/examples/primary-navigation-below-header.njk b/docs/examples/primary-navigation-below-header.njk
deleted file mode 100644
index 67b5df3..0000000
--- a/docs/examples/primary-navigation-below-header.njk
+++ /dev/null
@@ -1,37 +0,0 @@
----
-eleventyExcludeFromCollections: true
-layout: example-full-width.njk
-title: Primary navigation example below header
----
-<style>
-  .app-header--full-width-border {
-    border-bottom: 10px solid #1f70b8;
-  }
-</style>
-
-{% from "govuk/components/header/macro.njk" import govukHeader %}
-{{ govukHeader({
-  classes: "app-header--full-width-border"
-}) }}
-
-{% from "x-govuk/components/primary-navigation/macro.njk" import xGovukPrimaryNavigation %}
-{{ xGovukPrimaryNavigation({
-  visuallyHiddenTitle: "Navigation",
-  items: [{
-    text: "Home",
-    href: "#",
-    current: true
-  }, {
-    text: "Support",
-    href: "#"
-  }, {
-    text: "Features",
-    href: "#"
-  }, {
-    text: "Pricing",
-    href: "#"
-  }, {
-    text: "Contact us",
-    href: "#"
-  }]
-}) }}
\ No newline at end of file
diff --git a/docs/examples/primary-navigation-below-phase-banner.njk b/docs/examples/primary-navigation-below-phase-banner.njk
deleted file mode 100644
index a843014..0000000
--- a/docs/examples/primary-navigation-below-phase-banner.njk
+++ /dev/null
@@ -1,50 +0,0 @@
----
-eleventyExcludeFromCollections: true
-layout: example-full-width.njk
-title: Primary navigation example below phase banner
----
-<style>
-  .app-header--full-width-border {
-    border-bottom: 10px solid #1f70b8;
-  }
-
-  .app-phase-banner--no-border {
-    border-bottom: none;
-  }
-</style>
-
-{% from "govuk/components/header/macro.njk" import govukHeader %}
-{{ govukHeader({
-  classes: "app-header--full-width-border"
-}) }}
-
-{% from "govuk/components/phase-banner/macro.njk" import govukPhaseBanner %}
-{{ govukPhaseBanner({
-  classes: "app-phase-banner--no-border govuk-width-container",
-  tag: {
-    text: "Alpha"
-  },
-  html: 'This is a new service – your <a class="govuk-link" href="#">feedback</a> will help us to improve it.'
-}) }}
-
-{% from "x-govuk/components/primary-navigation/macro.njk" import xGovukPrimaryNavigation %}
-{{ xGovukPrimaryNavigation({
-  visuallyHiddenTitle: "Navigation",
-  items: [{
-    text: "Home",
-    href: "#",
-    current: true
-  }, {
-    text: "Support",
-    href: "#"
-  }, {
-    text: "Features",
-    href: "#"
-  }, {
-    text: "Pricing",
-    href: "#"
-  }, {
-    text: "Contact us",
-    href: "#"
-  }]
-}) }}
\ No newline at end of file
diff --git a/docs/examples/primary-navigation.njk b/docs/examples/primary-navigation.njk
deleted file mode 100644
index 7c0de51..0000000
--- a/docs/examples/primary-navigation.njk
+++ /dev/null
@@ -1,26 +0,0 @@
----
-eleventyExcludeFromCollections: true
-layout: example-full-width.njk
-title: Primary navigation example
----
-{% from "x-govuk/components/primary-navigation/macro.njk" import xGovukPrimaryNavigation %}
-{{ xGovukPrimaryNavigation({
-  visuallyHiddenTitle: "Navigation",
-  items: [{
-    text: "Home",
-    href: "#",
-    current: true
-  }, {
-    text: "Support",
-    href: "#"
-  }, {
-    text: "Features",
-    href: "#"
-  }, {
-    text: "Pricing",
-    href: "#"
-  }, {
-    text: "Contact us",
-    href: "#"
-  }]
-}) }}
\ No newline at end of file
diff --git a/docs/masthead.md b/docs/masthead.md
index 3c5b8d9..b52d579 100644
--- a/docs/masthead.md
+++ b/docs/masthead.md
@@ -36,10 +36,10 @@ To ensure there is no gap between the header and the masthead, create a modifier
   example: "masthead-below-header"
 }) }}
 
-If your service uses [the primary navigation component](primary-navigation), this should appear directly above the masthead:
+If your service uses [the service navigation component](https://design-system.service.gov.uk/components/service-navigation/), this should appear directly above the masthead:
 
 {{ appExample({
-  example: "masthead-below-primary-navigation"
+  example: "masthead-below-service-navigation"
 }) }}
 
 You can use HTML or, if you are using Nunjucks or the GOV.UK Prototype Kit, you can use the Nunjucks macro.
diff --git a/docs/primary-navigation.md b/docs/primary-navigation.md
index 6c81aaf..4d25b8f 100644
--- a/docs/primary-navigation.md
+++ b/docs/primary-navigation.md
@@ -1,120 +1,12 @@
 ---
+eleventyExcludeFromCollections: true
 layout: sub-navigation
-order: 5
 title: Primary navigation
-description: Link to the primary sections of your service.
 ---
 
 {% from "example/macro.njk" import appExample %}
+{% from "govuk/components/notification-banner/macro.njk" import govukNotificationBanner %}
 
-{{ appExample({
-  example: "primary-navigation"
+{{ govukNotificationBanner({
+  html: "### This component has been retired\n\nUse the [service navigation component](https://design-system.service.gov.uk/components/service-navigation/) in the GOV.UK Design System to help users navigate to the main sections of your service." | markdown
 }) }}
-
-## When to use this component
-
-Use the primary navigation component to let users navigate to the main sections of your service.
-
-You must use this component with [the header component](https://design-system.service.gov.uk/components/header/).
-
-## How it works
-
-The primary navigation component takes up the full width of the page. To ensure there is no gap between the header and this component, create a modifying class to make the bottom border on the header also take up the full width of the page:
-
-{{ appExample({
-  example: "primary-navigation-below-header"
-}) }}
-
-Only include links to top level sections within your service.
-
-One of the items should be highlighted if it matches the current page or parent section. This item remains a link, but includes an `aria-current="page"` attribute with a line displayed beneath it to indicate that it is the current section.
-
-If your service uses [the phase banner component](https://design-system.service.gov.uk/components/phase-banner/), this should appear directly above the primary navigation component.
-
-To ensure there is no border between the phase banner and navigation, create a modifying class to remove the bottom border from the phase banner:
-
-{{ appExample({
-  example: "primary-navigation-below-phase-banner"
-}) }}
-
-You can use HTML or, if you are using Nunjucks or the GOV.UK Prototype Kit, you can use the Nunjucks macro.
-
-## Nunjucks macro options
-
-Use options to customise the appearance, content and behaviour of a component when using a macro, for example, changing the text.
-
-Some options are required for the macro to work; these are marked as “Required” in the option description.
-
-If you’re using Nunjucks macros in production with `html` options, or ones ending with `html`, you must sanitise the HTML to protect against [cross-site scripting exploits](https://developer.mozilla.org/en-US/docs/Glossary/Cross-site_scripting).
-
-{% from "govuk/components/table/macro.njk" import govukTable %}
-{{ govukTable({
-  firstCellIsHeader: true,
-  head: [
-    { text: "Name" },
-    { text: "Type" },
-    { text: "Description" }
-  ],
-  rows: [
-    [
-      { text: "items" },
-      { text: "Array" },
-      { text: "**Required**. An array of navigation links. See [items](#items)." | markdown }
-    ],
-    [
-      { text: "visuallyHiddenTitle" },
-      { text: "string" },
-      { text: "A visually-hidden label to describe the navigation (default is ‘Menu’). " }
-    ],
-    [
-      { text: "classes" },
-      { text: "string" },
-      { text: "Classes to add to the primary navigation container." }
-    ],
-    [
-      { text: "attributes" },
-      { text: "object" },
-      { text: "HTML attributes (for example data attributes) to add to the navigation container." }
-    ]
-  ]
-}) }}
-
-{{ govukTable({
-  attributes: { id: "items" },
-  caption: "Options for items",
-  captionClasses: "govuk-table__caption--m",
-  firstCellIsHeader: true,
-  head: [
-    { text: "Name" },
-    { text: "Type" },
-    { text: "Description" }
-  ],
-  rows: [
-    [
-      { text: "text" },
-      { text: "string" },
-      { text: "**Required**. Text of the navigation link." | markdown }
-    ],
-    [
-      { text: "href" },
-      { text: "string" },
-      { text: "**Required**. The value of the navigation link’s `href` attribute." | markdown }
-    ],
-    [
-      { text: "current" },
-      { text: "boolean" },
-      { text: "Indicate that the item is the current page." }
-    ],
-    [
-      { text: "classes" },
-      { text: "string" },
-      { text: "Classes to add to the navigation item." }
-    ]
-  ]
-}) }}
-
-## Research on this component
-
-This component is based on [the Primary navigation component originally developed as part of the Ministry of Justice Design System](https://design-patterns.service.justice.gov.uk/components/primary-navigation/).
-
-It also follows the design of the [GOV.UK One Login service header](https://github.com/govuk-one-login/service-header).
diff --git a/docs/secondary-navigation.md b/docs/secondary-navigation.md
index 4aa8a73..6de9cb9 100644
--- a/docs/secondary-navigation.md
+++ b/docs/secondary-navigation.md
@@ -13,7 +13,7 @@ description: Allow users to navigate between pages scoped to a section.
 
 ## When to use this component
 
-Use the secondary navigation when you already have a [primary navigation](primary-navigation) and need to let users navigate between pages that are scoped to a particular section or concept.
+Use the secondary navigation when you already have [service navigation](https://design-system.service.gov.uk/components/service-navigation/) and need to let users navigate between pages that are scoped to a particular section or concept.
 
 For example, if your service is a case management system, you might use the secondary navigation if there are multiple pages associated with a single case.
 
diff --git a/docs/supported-versions.md b/docs/supported-versions.md
index a07d532..ab22e52 100644
--- a/docs/supported-versions.md
+++ b/docs/supported-versions.md
@@ -6,8 +6,8 @@ title: Supported versions
 
 GOV.UK Prototype Components are actively maintained and support the latest stable versions of the [GOV.UK Frontend](https://frontend.design-system.service.gov.uk), [GOV.UK Prototype Kit](https://prototype-kit.service.gov.uk) and [Node JS](https://nodejs.org).
 
-| GOV.UK Prototype Components | {{ pkg.version }} | 2.2.2   |
-| --------------------------- | ----------------- | ------- |
-| GOV.UK Frontend             | 5.0.0             | 4.7.0   |
-| GOV.UK Prototype Kit        | 13.16.0           | 13.16.0 |
-| Node JS                     | 18.0.0            | 18.0.0  |
+| GOV.UK Prototype Components | {{ pkg.version }} | 3.0.7   | 2.2.2   |
+| --------------------------- | ----------------- | ------- | ------- |
+| GOV.UK Frontend             | 5.0.0             | 5.0.0   | 4.7.0   |
+| GOV.UK Prototype Kit        | 13.16.0           | 13.16.0 | 13.16.0 |
+| Node JS                     | 18.0.0            | 18.0.0  | 18.0.0  |
diff --git a/eleventy.config.js b/eleventy.config.js
index caba23e..cef2b00 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -105,7 +105,6 @@ module.exports = function (eleventyConfig) {
       .getFilteredByGlob([
         'docs/autocomplete.md',
         'docs/masthead.md',
-        'docs/primary-navigation.md',
         'docs/secondary-navigation.md',
         'docs/sub-navigation.md',
         'docs/related-navigation.md',
diff --git a/govuk-prototype-kit.config.json b/govuk-prototype-kit.config.json
index 4f1ff45..c0ff22f 100644
--- a/govuk-prototype-kit.config.json
+++ b/govuk-prototype-kit.config.json
@@ -17,10 +17,6 @@
       "importFrom": "masthead/macro.njk",
       "macroName": "xGovukMasthead"
     },
-    {
-      "importFrom": "primary-navigation/macro.njk",
-      "macroName": "xGovukPrimaryNavigation"
-    },
     {
       "importFrom": "related-navigation/macro.njk",
       "macroName": "xGovukRelatedNavigation"
@@ -47,11 +43,6 @@
       "path": "/govuk-prototype-kit/templates/masthead.html",
       "type": "nunjucks"
     },
-    {
-      "name": "Primary navigation page",
-      "path": "/govuk-prototype-kit/templates/primary-navigation.html",
-      "type": "nunjucks"
-    },
     {
       "name": "Related navigation page",
       "path": "/govuk-prototype-kit/templates/related-navigation.html",
diff --git a/govuk-prototype-kit/templates/primary-navigation.html b/govuk-prototype-kit/templates/primary-navigation.html
deleted file mode 100644
index fdb1815..0000000
--- a/govuk-prototype-kit/templates/primary-navigation.html
+++ /dev/null
@@ -1,52 +0,0 @@
-{% extends "layouts/main.html" %}
-
-{% block pageTitle %}
-  Primary navigation page template – {{ serviceName }} – GOV.UK Prototype Kit
-{% endblock %}
-
-{% block beforeContent %}
-  {{ govukBackLink({
-    href: "javascript:window.history.back()"
-  }) }}
-{% endblock %}
-
-{% block header %}
-  {{ govukHeader({
-    homepageUrl: "/",
-    serviceName: serviceName,
-    serviceUrl: "/",
-    classes: "govuk-header__container--full-width",
-    containerClasses: "govuk-width-container"
-  }) }}
-{% endblock %}
-
-{% block main %}
-  {{ xGovukPrimaryNavigation({
-    visuallyHiddenTitle: "Site navigation",
-    items: [{
-      text: "Page 1",
-      href: "#"
-    }, {
-      text: "Page 2",
-      href: "#"
-    }]
-  }) }}
-
-  <div class="govuk-width-container">
-    {{ govukBackLink({
-      href: "javascript:window.history.back()"
-    }) }}
-
-    <main class="govuk-main-wrapper" id="main-content" role="main">
-      <div class="govuk-grid-row">
-        <div class="govuk-grid-column-two-thirds">
-          <h1 class="govuk-heading-l">
-            Heading goes here
-          </h1>
-
-          <p>Content goes here.</p>
-        </div>
-      </div>
-    </main>
-  </div>
-{% endblock %}
diff --git a/package-lock.json b/package-lock.json
index bdbae4c..24134c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@x-govuk/govuk-prototype-components",
-  "version": "3.0.7",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@x-govuk/govuk-prototype-components",
-      "version": "3.0.7",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "accessible-autocomplete": "^3.0.0",
@@ -16,7 +16,7 @@
         "@11ty/eleventy": "^2.0.1",
         "@rollup/plugin-commonjs": "^26.0.0",
         "@rollup/plugin-node-resolve": "^15.0.1",
-        "@x-govuk/govuk-eleventy-plugin": "^6.0.0",
+        "@x-govuk/govuk-eleventy-plugin": "x-govuk/govuk-eleventy-plugin#service-navigation",
         "@x-govuk/govuk-prototype-components": "file:./",
         "eslint": "^8.55.0",
         "eslint-config-prettier": "^9.1.0",
@@ -312,12 +312,12 @@
       }
     },
     "node_modules/@babel/parser": {
-      "version": "7.25.4",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.25.4.tgz",
-      "integrity": "sha512-nq+eWrOgdtu3jG5Os4TQP3x3cLA8hR8TvJNjD8vnPa20WGycimcparWnLK4jJhElTK6SDyuJo1weMKO/5LpmLA==",
+      "version": "7.25.6",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.25.6.tgz",
+      "integrity": "sha512-trGdfBdbD0l1ZPmcJ83eNxB9rbEax4ALFTF7fN386TMYbeCQbyme5cOEXQhbGXKebwGaB/J52w1mrklMcbgy6Q==",
       "dev": true,
       "dependencies": {
-        "@babel/types": "^7.25.4"
+        "@babel/types": "^7.25.6"
       },
       "bin": {
         "parser": "bin/babel-parser.js"
@@ -327,9 +327,9 @@
       }
     },
     "node_modules/@babel/types": {
-      "version": "7.25.4",
-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.25.4.tgz",
-      "integrity": "sha512-zQ1ijeeCXVEh+aNL0RlmkPkG8HUiDcU2pzQQFjtbntgAczRASFzj4H+6+bV+dy1ntKR14I/DypeuRG1uma98iQ==",
+      "version": "7.25.6",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.25.6.tgz",
+      "integrity": "sha512-/l42B1qxpG6RdfYf343Uw1vmDjeNhneUXtzhojE7pDgfpEypmRhI6j1kr17XCVv4Cgl9HdAiQY2x0GwKm7rWCw==",
       "dev": true,
       "dependencies": {
         "@babel/helper-string-parser": "^7.24.8",
@@ -835,9 +835,9 @@
       }
     },
     "node_modules/@rollup/rollup-android-arm-eabi": {
-      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.21.0.tgz",
-      "integrity": "sha512-WTWD8PfoSAJ+qL87lE7votj3syLavxunWhzCnx3XFxFiI/BA/r3X7MUM8dVrH8rb2r4AiO8jJsr3ZjdaftmnfA==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.21.2.tgz",
+      "integrity": "sha512-fSuPrt0ZO8uXeS+xP3b+yYTCBUd05MoSp2N/MFOgjhhUhMmchXlpTQrTpI8T+YAwAQuK7MafsCOxW7VrPMrJcg==",
       "cpu": [
         "arm"
       ],
@@ -848,9 +848,9 @@
       ]
     },
     "node_modules/@rollup/rollup-android-arm64": {
-      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.21.0.tgz",
-      "integrity": "sha512-a1sR2zSK1B4eYkiZu17ZUZhmUQcKjk2/j9Me2IDjk1GHW7LB5Z35LEzj9iJch6gtUfsnvZs1ZNyDW2oZSThrkA==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.21.2.tgz",
+      "integrity": "sha512-xGU5ZQmPlsjQS6tzTTGwMsnKUtu0WVbl0hYpTPauvbRAnmIvpInhJtgjj3mcuJpEiuUw4v1s4BimkdfDWlh7gA==",
       "cpu": [
         "arm64"
       ],
@@ -861,9 +861,9 @@
       ]
     },
     "node_modules/@rollup/rollup-darwin-arm64": {
-      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.21.0.tgz",
-      "integrity": "sha512-zOnKWLgDld/svhKO5PD9ozmL6roy5OQ5T4ThvdYZLpiOhEGY+dp2NwUmxK0Ld91LrbjrvtNAE0ERBwjqhZTRAA==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.21.2.tgz",
+      "integrity": "sha512-99AhQ3/ZMxU7jw34Sq8brzXqWH/bMnf7ZVhvLk9QU2cOepbQSVTns6qoErJmSiAvU3InRqC2RRZ5ovh1KN0d0Q==",
       "cpu": [
         "arm64"
       ],
@@ -874,9 +874,9 @@
       ]
     },
     "node_modules/@rollup/rollup-darwin-x64": {
-      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.21.0.tgz",
-      "integrity": "sha512-7doS8br0xAkg48SKE2QNtMSFPFUlRdw9+votl27MvT46vo44ATBmdZdGysOevNELmZlfd+NEa0UYOA8f01WSrg==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.21.2.tgz",
+      "integrity": "sha512-ZbRaUvw2iN/y37x6dY50D8m2BnDbBjlnMPotDi/qITMJ4sIxNY33HArjikDyakhSv0+ybdUxhWxE6kTI4oX26w==",
       "cpu": [
         "x64"
       ],
@@ -887,9 +887,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm-gnueabihf": {
-      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.21.0.tgz",
-      "integrity": "sha512-pWJsfQjNWNGsoCq53KjMtwdJDmh/6NubwQcz52aEwLEuvx08bzcy6tOUuawAOncPnxz/3siRtd8hiQ32G1y8VA==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.21.2.tgz",
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+      "resolved": "https://registry.npmjs.org/markdown-it-anchor/-/markdown-it-anchor-9.1.0.tgz",
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       "dev": true,
       "peerDependencies": {
         "@types/markdown-it": "*",
@@ -9753,9 +9762,9 @@
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+      "version": "4.26.0",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-4.26.0.tgz",
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       "dev": true,
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@@ -9801,9 +9810,9 @@
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-      "version": "4.25.0",
-      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-4.25.0.tgz",
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+      "version": "4.26.0",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-4.26.0.tgz",
+      "integrity": "sha512-OduNjVJsFbifKb57UqZ2EMP1i4u64Xwow3NYXUtBbD4vIwJdQd4+xl8YDou1dlm4DVrtwT/7Ky8z8WyCULVfxw==",
       "dev": true,
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@@ -10129,9 +10138,9 @@
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-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.21.0.tgz",
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+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.21.2.tgz",
+      "integrity": "sha512-e3TapAgYf9xjdLvKQCkQTnbTKd4a6jwlpQSJJFokHGaX2IVjoEqkIIhiQfqsi0cdwlOD+tQGuOd5AJkc5RngBw==",
       "dev": true,
       "dependencies": {
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@@ -10144,22 +10153,22 @@
         "npm": ">=8.0.0"
       },
       "optionalDependencies": {
-        "@rollup/rollup-android-arm-eabi": "4.21.0",
-        "@rollup/rollup-android-arm64": "4.21.0",
-        "@rollup/rollup-darwin-arm64": "4.21.0",
-        "@rollup/rollup-darwin-x64": "4.21.0",
-        "@rollup/rollup-linux-arm-gnueabihf": "4.21.0",
-        "@rollup/rollup-linux-arm-musleabihf": "4.21.0",
-        "@rollup/rollup-linux-arm64-gnu": "4.21.0",
-        "@rollup/rollup-linux-arm64-musl": "4.21.0",
-        "@rollup/rollup-linux-powerpc64le-gnu": "4.21.0",
-        "@rollup/rollup-linux-riscv64-gnu": "4.21.0",
-        "@rollup/rollup-linux-s390x-gnu": "4.21.0",
-        "@rollup/rollup-linux-x64-gnu": "4.21.0",
-        "@rollup/rollup-linux-x64-musl": "4.21.0",
-        "@rollup/rollup-win32-arm64-msvc": "4.21.0",
-        "@rollup/rollup-win32-ia32-msvc": "4.21.0",
-        "@rollup/rollup-win32-x64-msvc": "4.21.0",
+        "@rollup/rollup-android-arm-eabi": "4.21.2",
+        "@rollup/rollup-android-arm64": "4.21.2",
+        "@rollup/rollup-darwin-arm64": "4.21.2",
+        "@rollup/rollup-darwin-x64": "4.21.2",
+        "@rollup/rollup-linux-arm-gnueabihf": "4.21.2",
+        "@rollup/rollup-linux-arm-musleabihf": "4.21.2",
+        "@rollup/rollup-linux-arm64-gnu": "4.21.2",
+        "@rollup/rollup-linux-arm64-musl": "4.21.2",
+        "@rollup/rollup-linux-powerpc64le-gnu": "4.21.2",
+        "@rollup/rollup-linux-riscv64-gnu": "4.21.2",
+        "@rollup/rollup-linux-s390x-gnu": "4.21.2",
+        "@rollup/rollup-linux-x64-gnu": "4.21.2",
+        "@rollup/rollup-linux-x64-musl": "4.21.2",
+        "@rollup/rollup-win32-arm64-msvc": "4.21.2",
+        "@rollup/rollup-win32-ia32-msvc": "4.21.2",
+        "@rollup/rollup-win32-x64-msvc": "4.21.2",
         "fsevents": "~2.3.2"
       }
     },
@@ -10349,21 +10358,6 @@
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       "dev": true
     },
-    "node_modules/semver-diff": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/semver-diff/-/semver-diff-4.0.0.tgz",
-      "integrity": "sha512-0Ju4+6A8iOnpL/Thra7dZsSlOHYAHIeMxfhWQRI1/VLcT3WDBZKKtQt/QkBOsiIN9ZpuvHE6cGZ0x4glCMmfiA==",
-      "dev": true,
-      "dependencies": {
-        "semver": "^7.3.5"
-      },
-      "engines": {
-        "node": ">=12"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/send": {
       "version": "0.16.2",
       "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
@@ -11091,9 +11085,9 @@
       "dev": true
     },
     "node_modules/stylelint": {
-      "version": "16.8.2",
-      "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-16.8.2.tgz",
-      "integrity": "sha512-fInKATippQhcSm7AB+T32GpI+626yohrg33GkFT/5jzliUw5qhlwZq2UQQwgl3HsHrf09oeARi0ZwgY/UWEv9A==",
+      "version": "16.9.0",
+      "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-16.9.0.tgz",
+      "integrity": "sha512-31Nm3WjxGOBGpQqF43o3wO9L5AC36TPIe6030Lnm13H3vDMTcS21DrLh69bMX+DBilKqMMVLian4iG6ybBoNRQ==",
       "dev": true,
       "funding": [
         {
@@ -11106,9 +11100,9 @@
         }
       ],
       "dependencies": {
-        "@csstools/css-parser-algorithms": "^3.0.0",
-        "@csstools/css-tokenizer": "^3.0.0",
-        "@csstools/media-query-list-parser": "^3.0.0",
+        "@csstools/css-parser-algorithms": "^3.0.1",
+        "@csstools/css-tokenizer": "^3.0.1",
+        "@csstools/media-query-list-parser": "^3.0.1",
         "@csstools/selector-specificity": "^4.0.0",
         "@dual-bundle/import-meta-resolve": "^4.1.0",
         "balanced-match": "^2.0.0",
@@ -11130,7 +11124,7 @@
         "known-css-properties": "^0.34.0",
         "mathml-tag-names": "^2.1.3",
         "meow": "^13.2.0",
-        "micromatch": "^4.0.7",
+        "micromatch": "^4.0.8",
         "normalize-path": "^3.0.0",
         "picocolors": "^1.0.1",
         "postcss": "^8.4.41",
@@ -11141,7 +11135,7 @@
         "resolve-from": "^5.0.0",
         "string-width": "^4.2.3",
         "strip-ansi": "^7.1.0",
-        "supports-hyperlinks": "^3.0.0",
+        "supports-hyperlinks": "^3.1.0",
         "svg-tags": "^1.0.0",
         "table": "^6.8.2",
         "write-file-atomic": "^5.0.1"
@@ -11272,9 +11266,9 @@
       }
     },
     "node_modules/stylelint-scss": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/stylelint-scss/-/stylelint-scss-6.5.0.tgz",
-      "integrity": "sha512-yOnYlr71wrTPT3rYyUurgTj6Rw7JUtzsZQsiPEjvs+k/yqoYHdweqpw6XN/ARpxjAuvJpddoMUvV8aAIpvUwTg==",
+      "version": "6.5.1",
+      "resolved": "https://registry.npmjs.org/stylelint-scss/-/stylelint-scss-6.5.1.tgz",
+      "integrity": "sha512-ZLqdqihm6uDYkrsOeD6YWb+stZI8Wn92kUNDhE4M+g9g1aCnRv0JlOrttFiAJJwaNzpdQgX3YJb5vDQXVuO9Ww==",
       "dev": true,
       "dependencies": {
         "css-tree": "2.3.1",
@@ -11337,9 +11331,9 @@
       }
     },
     "node_modules/stylelint/node_modules/file-entry-cache": {
-      "version": "9.0.0",
-      "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-9.0.0.tgz",
-      "integrity": "sha512-6MgEugi8p2tiUhqO7GnPsmbCCzj0YRCwwaTbpGRyKZesjRSzkqkAE9fPp7V2yMs5hwfgbQLgdvSSkGNg1s5Uvw==",
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-9.1.0.tgz",
+      "integrity": "sha512-/pqPFG+FdxWQj+/WSuzXSDaNzxgTLr/OrR1QuqfEZzDakpdYE70PwUxL7BPUa8hpjbvY1+qvCl8k+8Tq34xJgg==",
       "dev": true,
       "dependencies": {
         "flat-cache": "^5.0.0"
@@ -11729,9 +11723,9 @@
       }
     },
     "node_modules/tslib": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.3.tgz",
-      "integrity": "sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ==",
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
+      "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==",
       "devOptional": true
     },
     "node_modules/type-check": {
@@ -11880,9 +11874,9 @@
       "dev": true
     },
     "node_modules/uglify-js": {
-      "version": "3.19.2",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.2.tgz",
-      "integrity": "sha512-S8KA6DDI47nQXJSi2ctQ629YzwOVs+bQML6DAtvy0wgNdpi+0ySpQK0g2pxBq2xfF2z3YCscu7NNA8nXT9PlIQ==",
+      "version": "3.19.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.3.tgz",
+      "integrity": "sha512-v3Xu+yuwBXisp6QYTcH4UbH+xYJXqnq2m/LtQVWKWzYc1iehYnLixoQDN9FH6/j9/oybfd6W9Ghwkl8+UMKTKQ==",
       "dev": true,
       "optional": true,
       "bin": {
@@ -11984,22 +11978,20 @@
       }
     },
     "node_modules/update-notifier": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-7.2.0.tgz",
-      "integrity": "sha512-GoBCFKIbF88latQyk8HpHUoJHqZUzYSPI6BySAjs5TWd/TCTMynAsIfGfJ6Ep2DAx6O5YExYGPs3Hdnt2TWdzQ==",
+      "version": "7.3.0",
+      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-7.3.0.tgz",
+      "integrity": "sha512-nA5Zoy3rahYd/Lx1s6jZYHfrKKYOgw0kThkLdwgJtXEFsXqEbMnwdVNPT9D+HELlEXqTR7Iq8rjg/NjenGLIvg==",
       "dev": true,
       "dependencies": {
         "boxen": "^8.0.0",
         "chalk": "^5.3.0",
         "configstore": "^7.0.0",
-        "import-lazy": "^4.0.0",
         "is-in-ci": "^1.0.0",
         "is-installed-globally": "^1.0.0",
         "is-npm": "^6.0.0",
         "latest-version": "^9.0.0",
         "pupa": "^3.1.0",
         "semver": "^7.6.3",
-        "semver-diff": "^4.0.0",
         "xdg-basedir": "^5.1.0"
       },
       "engines": {
@@ -12198,9 +12190,9 @@
       }
     },
     "node_modules/widest-line/node_modules/emoji-regex": {
-      "version": "10.3.0",
-      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-10.3.0.tgz",
-      "integrity": "sha512-QpLs9D9v9kArv4lfDEgg1X/gN5XLnf/A6l9cs8SPZLRZR3ZkY9+kwIQTxm+fsSej5UMYGE8fdoaZVIBlqG0XTw==",
+      "version": "10.4.0",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-10.4.0.tgz",
+      "integrity": "sha512-EC+0oUMY1Rqm4O6LLrgjtYDvcVYTy7chDnM4Q7030tP4Kwj3u/pR6gP9ygnp2CJMK5Gq+9Q2oqmrFJAz01DXjw==",
       "dev": true
     },
     "node_modules/widest-line/node_modules/string-width": {
diff --git a/package.json b/package.json
index 652bd8a..520f16d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@x-govuk/govuk-prototype-components",
-  "version": "3.0.7",
+  "version": "4.0.0",
   "description": "Common and experimental components that are not yet part of the GOV.UK Design System",
   "keywords": [
     "govuk",
@@ -51,7 +51,7 @@
     "@11ty/eleventy": "^2.0.1",
     "@rollup/plugin-commonjs": "^26.0.0",
     "@rollup/plugin-node-resolve": "^15.0.1",
-    "@x-govuk/govuk-eleventy-plugin": "^6.0.0",
+    "@x-govuk/govuk-eleventy-plugin": "x-govuk/govuk-eleventy-plugin#service-navigation",
     "@x-govuk/govuk-prototype-components": "file:./",
     "eslint": "^8.55.0",
     "eslint-config-prettier": "^9.1.0",
diff --git a/x-govuk/components/_all.scss b/x-govuk/components/_all.scss
index ad19359..97a71e5 100644
--- a/x-govuk/components/_all.scss
+++ b/x-govuk/components/_all.scss
@@ -1,6 +1,5 @@
 @import "autocomplete/autocomplete";
 @import "masthead/masthead";
-@import "primary-navigation/primary-navigation";
 @import "related-navigation/related-navigation";
 @import "secondary-navigation/secondary-navigation";
 @import "sub-navigation/sub-navigation";
diff --git a/x-govuk/components/primary-navigation/_primary-navigation.scss b/x-govuk/components/primary-navigation/_primary-navigation.scss
deleted file mode 100644
index 5fa7307..0000000
--- a/x-govuk/components/primary-navigation/_primary-navigation.scss
+++ /dev/null
@@ -1,52 +0,0 @@
-.x-govuk-primary-navigation {
-  @include govuk-font(19, $weight: bold);
-  background-color: govuk-colour("light-grey");
-  border-bottom: 1px solid transparent;
-  margin-bottom: -1px;
-}
-
-.x-govuk-primary-navigation__list {
-  @include govuk-clearfix;
-  list-style: none;
-  margin: 0;
-  padding: 0;
-  position: relative;
-  width: calc(100% + #{govuk-spacing(6)});
-}
-
-.x-govuk-primary-navigation__item {
-  box-sizing: border-box;
-  display: block;
-  float: left;
-  height: 55px;
-  line-height: 55px;
-  margin-right: govuk-spacing(6);
-  position: relative;
-}
-
-.x-govuk-primary-navigation__item--current {
-  border-bottom: $govuk-border-width-narrow solid $govuk-brand-colour;
-}
-
-.x-govuk-primary-navigation__item--align-right {
-  @include govuk-media-query($from: tablet) {
-    float: right;
-  }
-}
-
-.x-govuk-primary-navigation__link {
-  @include govuk-link-common;
-  @include govuk-link-style-no-visited-state;
-  @include govuk-link-style-no-underline;
-  @include govuk-typography-weight-bold;
-
-  // Extend the touch area of the link to the list
-  &::after {
-    bottom: 0;
-    content: "";
-    left: 0;
-    position: absolute;
-    right: 0;
-    top: 0;
-  }
-}
diff --git a/x-govuk/components/primary-navigation/macro.njk b/x-govuk/components/primary-navigation/macro.njk
deleted file mode 100644
index f214602..0000000
--- a/x-govuk/components/primary-navigation/macro.njk
+++ /dev/null
@@ -1,3 +0,0 @@
-{% macro xGovukPrimaryNavigation(params) %}
-  {%- include "./template.njk" -%}
-{% endmacro %}
diff --git a/x-govuk/components/primary-navigation/template.njk b/x-govuk/components/primary-navigation/template.njk
deleted file mode 100644
index b7e8281..0000000
--- a/x-govuk/components/primary-navigation/template.njk
+++ /dev/null
@@ -1,17 +0,0 @@
-<nav class="x-govuk-primary-navigation {%- if params.classes %} {{ params.classes }}{% endif -%}" aria-labelledby="primary-navigation-heading"
-{%- for attribute, value in params.attributes %} {{ attribute }}="{{ value }}"{% endfor %}>
-  <div class="govuk-width-container">
-    <h2 class="govuk-visually-hidden" id="primary-navigation-heading">{{ params.visuallyHiddenTitle or "Menu" }}</h2>
-    <ul class="x-govuk-primary-navigation__list">
-    {%- for item in params.items %}
-      {% if item %}
-      <li class="x-govuk-primary-navigation__item {{ "x-govuk-primary-navigation__item--current" if item.current }}{% if item.classes %} {{ item.classes }}{% endif -%}">
-        <a class="x-govuk-primary-navigation__link" {{ "aria-current=page" if item.current }} href="{{ item.href }}">
-          {{- item.text -}}
-        </a>
-      </li>
-      {% endif %}
-    {% endfor -%}
-    </ul>
-  </div>
-</nav>