diff --git a/CHANGELOG.md b/CHANGELOG.md
index b781e661..5f0b831e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 ## Unreleased
 
+### New features
+
+- Update the Crown logo and govuk-frontend
+
+  See [pull request #344: Upgrade govuk-frontend and the crown logo](https://github.com/alphagov/tech-docs-gem/pull/344) for more details.
+
+https://github.com/alphagov/tech-docs-gem/pull/344
+
 ## 3.4.0
 
 ### New features
diff --git a/lib/assets/stylesheets/_govuk_tech_docs.scss b/lib/assets/stylesheets/_govuk_tech_docs.scss
index 3080ec35..4006d118 100644
--- a/lib/assets/stylesheets/_govuk_tech_docs.scss
+++ b/lib/assets/stylesheets/_govuk_tech_docs.scss
@@ -1,3 +1,10 @@
+// IE8 support is removed in govuk-frontend v5
+// but as we still use IE8 mixin and generate a
+// separate stylesheet, we'll supress the warning for now
+// https://frontend.design-system.service.gov.uk/sass-api-reference/#govuk-suppressed-warnings
+$govuk-suppressed-warnings: (
+  ie8
+);
 $govuk-assets-path: "/assets/govuk/assets/" !default;
 
 // Include only the bits of GOV.UK Frontend we need
@@ -20,3 +27,9 @@ $govuk-new-link-styles: true;
 
 @import "core";
 @import "vendor/fixedsticky";
+
+// manual Tudor Crown spacing adjustment from govuk-frontend 4.8
+.govuk-header__logotype-crown[width="32"] {
+  top: -3px;
+  margin-right: 2px;
+}
diff --git a/lib/source/favicon.ico b/lib/source/favicon.ico
index da3760d3..20129a0b 100644
Binary files a/lib/source/favicon.ico and b/lib/source/favicon.ico differ
diff --git a/lib/source/layouts/_header.erb b/lib/source/layouts/_header.erb
index 0493287f..9bb7bd0e 100644
--- a/lib/source/layouts/_header.erb
+++ b/lib/source/layouts/_header.erb
@@ -7,21 +7,19 @@
       <span class="govuk-header__link govuk-header__link--homepage">
       <% end %>
         <% if config[:tech_docs][:show_govuk_logo] %>
-        <span class="govuk-header__logotype">
-          <svg
-            aria-hidden="true"
-            focusable="false"
-            class="govuk-header__logotype-crown"
-            xmlns="http://www.w3.org/2000/svg"
-            viewBox="0 0 132 97"
-            height="30"
-            width="36"
-          >
-            <path
-              fill="currentColor" fill-rule="evenodd"
-              d="M25 30.2c3.5 1.5 7.7-.2 9.1-3.7 1.5-3.6-.2-7.8-3.9-9.2-3.6-1.4-7.6.3-9.1 3.9-1.4 3.5.3 7.5 3.9 9zM9 39.5c3.6 1.5 7.8-.2 9.2-3.7 1.5-3.6-.2-7.8-3.9-9.1-3.6-1.5-7.6.2-9.1 3.8-1.4 3.5.3 7.5 3.8 9zM4.4 57.2c3.5 1.5 7.7-.2 9.1-3.8 1.5-3.6-.2-7.7-3.9-9.1-3.5-1.5-7.6.3-9.1 3.8-1.4 3.5.3 7.6 3.9 9.1zm38.3-21.4c3.5 1.5 7.7-.2 9.1-3.8 1.5-3.6-.2-7.7-3.9-9.1-3.6-1.5-7.6.3-9.1 3.8-1.3 3.6.4 7.7 3.9 9.1zm64.4-5.6c-3.6 1.5-7.8-.2-9.1-3.7-1.5-3.6.2-7.8 3.8-9.2 3.6-1.4 7.7.3 9.2 3.9 1.3 3.5-.4 7.5-3.9 9zm15.9 9.3c-3.6 1.5-7.7-.2-9.1-3.7-1.5-3.6.2-7.8 3.7-9.1 3.6-1.5 7.7.2 9.2 3.8 1.5 3.5-.3 7.5-3.8 9zm4.7 17.7c-3.6 1.5-7.8-.2-9.2-3.8-1.5-3.6.2-7.7 3.9-9.1 3.6-1.5 7.7.3 9.2 3.8 1.3 3.5-.4 7.6-3.9 9.1zM89.3 35.8c-3.6 1.5-7.8-.2-9.2-3.8-1.4-3.6.2-7.7 3.9-9.1 3.6-1.5 7.7.3 9.2 3.8 1.4 3.6-.3 7.7-3.9 9.1zM69.7 17.7l8.9 4.7V9.3l-8.9 2.8c-.2-.3-.5-.6-.9-.9L72.4 0H59.6l3.5 11.2c-.3.3-.6.5-.9.9l-8.8-2.8v13.1l8.8-4.7c.3.3.6.7.9.9l-5 15.4v.1c-.2.8-.4 1.6-.4 2.4 0 4.1 3.1 7.5 7 8.1h.2c.3 0 .7.1 1 .1.4 0 .7 0 1-.1h.2c4-.6 7.1-4.1 7.1-8.1 0-.8-.1-1.7-.4-2.4V34l-5.1-15.4c.4-.2.7-.6 1-.9zM66 92.8c16.9 0 32.8 1.1 47.1 3.2 4-16.9 8.9-26.7 14-33.5l-9.6-3.4c1 4.9 1.1 7.2 0 10.2-1.5-1.4-3-4.3-4.2-8.7L108.6 76c2.8-2 5-3.2 7.5-3.3-4.4 9.4-10 11.9-13.6 11.2-4.3-.8-6.3-4.6-5.6-7.9 1-4.7 5.7-5.9 8-.5 4.3-8.7-3-11.4-7.6-8.8 7.1-7.2 7.9-13.5 2.1-21.1-8 6.1-8.1 12.3-4.5 20.8-4.7-5.4-12.1-2.5-9.5 6.2 3.4-5.2 7.9-2 7.2 3.1-.6 4.3-6.4 7.8-13.5 7.2-10.3-.9-10.9-8-11.2-13.8 2.5-.5 7.1 1.8 11 7.3L80.2 60c-4.1 4.4-8 5.3-12.3 5.4 1.4-4.4 8-11.6 8-11.6H55.5s6.4 7.2 7.9 11.6c-4.2-.1-8-1-12.3-5.4l1.4 16.4c3.9-5.5 8.5-7.7 10.9-7.3-.3 5.8-.9 12.8-11.1 13.8-7.2.6-12.9-2.9-13.5-7.2-.7-5 3.8-8.3 7.1-3.1 2.7-8.7-4.6-11.6-9.4-6.2 3.7-8.5 3.6-14.7-4.6-20.8-5.8 7.6-5 13.9 2.2 21.1-4.7-2.6-11.9.1-7.7 8.8 2.3-5.5 7.1-4.2 8.1.5.7 3.3-1.3 7.1-5.7 7.9-3.5.7-9-1.8-13.5-11.2 2.5.1 4.7 1.3 7.5 3.3l-4.7-15.4c-1.2 4.4-2.7 7.2-4.3 8.7-1.1-3-.9-5.3 0-10.2l-9.5 3.4c5 6.9 9.9 16.7 14 33.5 14.8-2.1 30.8-3.2 47.7-3.2z"
-            ></path>
-          </svg>
+        <svg
+          aria-hidden="true"
+          focusable="false"
+          class="govuk-header__logotype-crown"
+          xmlns="http://www.w3.org/2000/svg"
+          viewBox="0 0 32 30"
+          height="30"
+          width="32"
+        >
+          <path
+            fill="currentColor" fill-rule="evenodd"
+            d="M22.6 10.4c-1 .4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s-.1 2-1 2.4m-5.9 6.7c-.9.4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s-.1 2-1 2.4m10.8-3.7c-1 .4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s0 2-1 2.4m3.3 4.8c-1 .4-2-.1-2.4-1-.4-.9.1-2 1-2.4.9-.4 2 .1 2.4 1s-.1 2-1 2.4M17 4.7l2.3 1.2V2.5l-2.3.7-.2-.2.9-3h-3.4l.9 3-.2.2c-.1.1-2.3-.7-2.3-.7v3.4L15 4.7c.1.1.1.2.2.2l-1.3 4c-.1.2-.1.4-.1.6 0 1.1.8 2 1.9 2.2h.7c1-.2 1.9-1.1 1.9-2.1 0-.2 0-.4-.1-.6l-1.3-4c-.1-.2 0-.2.1-.3m-7.6 5.7c.9.4 2-.1 2.4-1 .4-.9-.1-2-1-2.4-.9-.4-2 .1-2.4 1s0 2 1 2.4m-5 3c.9.4 2-.1 2.4-1 .4-.9-.1-2-1-2.4-.9-.4-2 .1-2.4 1s.1 2 1 2.4m-3.2 4.8c.9.4 2-.1 2.4-1 .4-.9-.1-2-1-2.4-.9-.4-2 .1-2.4 1s0 2 1 2.4m14.8 11c4.4 0 8.6.3 12.3.8 1.1-4.5 2.4-7 3.7-8.8l-2.5-.9c.2 1.3.3 1.9 0 2.7-.4-.4-.8-1.1-1.1-2.3l-1.2 4c.7-.5 1.3-.8 2-.9-1.1 2.5-2.6 3.1-3.5 3-1.1-.2-1.7-1.2-1.5-2.1.3-1.2 1.5-1.5 2.1-.1 1.1-2.3-.8-3-2-2.3 1.9-1.9 2.1-3.5.6-5.6-2.1 1.6-2.1 3.2-1.2 5.5-1.2-1.4-3.2-.6-2.5 1.6.9-1.4 2.1-.5 1.9.8-.2 1.1-1.7 2.1-3.5 1.9-2.7-.2-2.9-2.1-2.9-3.6.7-.1 1.9.5 2.9 1.9l.4-4.3c-1.1 1.1-2.1 1.4-3.2 1.4.4-1.2 2.1-3 2.1-3h-5.4s1.7 1.9 2.1 3c-1.1 0-2.1-.2-3.2-1.4l.4 4.3c1-1.4 2.2-2 2.9-1.9-.1 1.5-.2 3.4-2.9 3.6-1.9.2-3.4-.8-3.5-1.9-.2-1.3 1-2.2 1.9-.8.7-2.3-1.2-3-2.5-1.6.9-2.2.9-3.9-1.2-5.5-1.5 2-1.3 3.7.6 5.6-1.2-.7-3.1 0-2 2.3.6-1.4 1.8-1.1 2.1.1.2.9-.3 1.9-1.5 2.1-.9.2-2.4-.5-3.5-3 .6 0 1.2.3 2 .9l-1.2-4c-.3 1.1-.7 1.9-1.1 2.3-.3-.8-.2-1.4 0-2.7l-2.9.9C1.3 23 2.6 25.5 3.7 30c3.7-.5 7.9-.8 12.3-.8"></path>
+        </svg>
           <span class="govuk-header__logotype-text">
             GOV.UK
           </span>
diff --git a/package-lock.json b/package-lock.json
index 60d5b363..f656391b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
       "name": "tech-docs-gem",
       "license": "MIT",
       "dependencies": {
-        "govuk-frontend": "^4.4.1"
+        "govuk-frontend": "~4.7.0"
       },
       "devDependencies": {
         "standard": "^14.3.4"
@@ -1053,9 +1053,9 @@
       }
     },
     "node_modules/govuk-frontend": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/govuk-frontend/-/govuk-frontend-4.4.1.tgz",
-      "integrity": "sha512-Jm1LUWiH9vy47b6HSH/ksSb4ueBrtTTgyLBk+3X2qqAmmFUc1AXWLSYHid07YYu1tvn9RnodWk5Bac5Ywqk6tA==",
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/govuk-frontend/-/govuk-frontend-4.7.0.tgz",
+      "integrity": "sha512-0OsdCusF5qvLWwKziU8zqxiC0nq6WP0ZQuw51ymZ/1V0tO71oIKMlSLN2S9bm8RcEGSoidPt2A34gKxePrLjvg==",
       "engines": {
         "node": ">= 4.2.0"
       }
@@ -3508,9 +3508,9 @@
       }
     },
     "govuk-frontend": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/govuk-frontend/-/govuk-frontend-4.4.1.tgz",
-      "integrity": "sha512-Jm1LUWiH9vy47b6HSH/ksSb4ueBrtTTgyLBk+3X2qqAmmFUc1AXWLSYHid07YYu1tvn9RnodWk5Bac5Ywqk6tA=="
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/govuk-frontend/-/govuk-frontend-4.7.0.tgz",
+      "integrity": "sha512-0OsdCusF5qvLWwKziU8zqxiC0nq6WP0ZQuw51ymZ/1V0tO71oIKMlSLN2S9bm8RcEGSoidPt2A34gKxePrLjvg=="
     },
     "graceful-fs": {
       "version": "4.2.6",
diff --git a/package.json b/package.json
index 63ed809a..7326e95c 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "lint": "standard"
   },
   "dependencies": {
-    "govuk-frontend": "^4.4.1"
+    "govuk-frontend": "~4.7.0"
   },
   "devDependencies": {
     "standard": "^14.3.4"