diff --git a/Gemfile.lock b/Gemfile.lock
index 8c8f659..c9ba565 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    defra_ruby_template (5.4.0)
+    defra_ruby_template (5.4.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/app/views/layouts/defra_ruby_template.html.erb b/app/views/layouts/defra_ruby_template.html.erb
index f693cd9..095ef97 100644
--- a/app/views/layouts/defra_ruby_template.html.erb
+++ b/app/views/layouts/defra_ruby_template.html.erb
@@ -8,11 +8,10 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
 
   <link rel="shortcut icon" href="<%= asset_path "favicon.ico" %>" type="image/x-icon" />
-  <link rel="mask-icon" href="<%= asset_path "govuk-logotype-crown.png" %>">
-  <link rel="apple-touch-icon" sizes="180x180" href="<%= asset_path "govuk-apple-touch-icon-180x180.png" %>">
-  <link rel="apple-touch-icon" sizes="167x167" href="<%= asset_path "govuk-apple-touch-icon-167x167.png" %>">
-  <link rel="apple-touch-icon" sizes="152x152" href="<%= asset_path "govuk-apple-touch-icon-152x152.png" %>">
-  <link rel="apple-touch-icon" href="<%= asset_path "govuk-apple-touch-icon.png" %>">
+  <link rel="icon" sizes="48x48" href="<%= asset_path "favicon.ico" %>">
+  <link rel="icon" sizes="any" href="<%= asset_path "favicon.svg" %>" type="image/svg+xml">
+  <link rel="mask-icon" href="<%= asset_path "govuk-icon-mask.svg" %>" color="#0b0c0c">
+  <link rel="apple-touch-icon" href="<%= asset_path "govuk-icon-180.png" %>">
 
   <%= yield :head %>
   <meta property="og:image" content="<%= asset_path "govuk-opengraph-image.png" %>">
@@ -47,7 +46,7 @@
             </svg>
             <!--<![endif]-->
             <!--[if IE 8]>
-            <img src="/assets/images/govuk-logotype-tudor-crown.png" class="govuk-header__logotype-crown-fallback-image" width="32" height="30" alt="">
+            <img src="<%= asset_path "govuk-icon-mask.svg" %>" class="govuk-header__logotype-crown-fallback-image" width="32" height="30" alt="">
             <![endif]-->
           </span>
         </a>
diff --git a/lib/defra_ruby_template.rb b/lib/defra_ruby_template.rb
index 9058311..2870709 100644
--- a/lib/defra_ruby_template.rb
+++ b/lib/defra_ruby_template.rb
@@ -9,14 +9,9 @@ class Engine < ::Rails::Engine
         app.config.assets.precompile <<
           [
             "favicon.ico",
-            "govuk-apple-touch-icon-152x152.png",
-            "govuk-apple-touch-icon-167x167.png",
-            "govuk-apple-touch-icon-180x180.png",
-            "govuk-apple-touch-icon.png",
-            "govuk-crest-2x.png",
-            "govuk-crest.png",
-            "govuk-logotype-crown.png",
-            "govuk-mask-icon.svg",
+            "favicon.svg",
+            "govuk-icon-mask.svg",
+            "govuk-icon-180.png",
             "govuk-opengraph-image.png"
           ]
       end
diff --git a/lib/defra_ruby_template/version.rb b/lib/defra_ruby_template/version.rb
index 3535b03..340410e 100644
--- a/lib/defra_ruby_template/version.rb
+++ b/lib/defra_ruby_template/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module DefraRubyTemplate
-  VERSION = "5.4.0"
+  VERSION = "5.4.1"
 end