diff --git a/app/source_url.rb b/app/source_url.rb
index 5999edb..40ee20a 100644
--- a/app/source_url.rb
+++ b/app/source_url.rb
@@ -26,6 +26,6 @@ def source_from_yaml_file
 
   # As the last fallback link to the source file in this repository.
   def source_from_file
-    "https://github.com/trade-tariff/govuk-developer-docs/blob/main/source/#{current_page.file_descriptor[:relative_path]}"
+    "https://github.com/trade-tariff/trade-tariff-tech-docs/blob/main/source/#{current_page.file_descriptor[:relative_path]}"
   end
 end
diff --git a/helpers/commit_helpers.rb b/helpers/commit_helpers.rb
index a5f1f70..5cc0cd0 100644
--- a/helpers/commit_helpers.rb
+++ b/helpers/commit_helpers.rb
@@ -5,7 +5,7 @@ def commit_url(current_page)
     if current_page.data.latest_commit
       "https://github.com/trade-tariff/#{current_page.data.repo_name}/commit/#{current_page.data.latest_commit[:sha]}"
     elsif local_commit(current_page)
-      "https://github.com/trade-tariff/govuk-developer-docs/commit/#{local_commit(current_page).sha}"
+      "https://github.com/trade-tariff/trade-tariff-tech-docs/commit/#{local_commit(current_page).sha}"
     else
       "#"
     end
diff --git a/source/error.html.erb b/source/error.html.erb
index adc322e..4dbca64 100644
--- a/source/error.html.erb
+++ b/source/error.html.erb
@@ -10,4 +10,4 @@ index: false
 If you entered a web address, please check it was correct.
 
 If the page you are looking for has been moved, you should
-<a href='https://github.com/trade-tariff/govuk-developer-docs/blob/main/config/tech-docs.yml'>set up a redirect</a>.
+<a href='https://github.com/trade-tariff/trade-tariff-tech-docs/blob/main/config/tech-docs.yml'>set up a redirect</a>.
diff --git a/source/index.html.erb b/source/index.html.erb
index bd1df84..ffa41b8 100644
--- a/source/index.html.erb
+++ b/source/index.html.erb
@@ -1,7 +1,7 @@
 ---
 layout: core
 title: Dashboard
-source_url: https://github.com/trade-tariff/govuk-developer-docs/blob/main/data/dashboard.yml
+source_url: https://github.com/trade-tariff/trade-tariff-tech-docs/blob/main/data/dashboard.yml
 ---
 
 <% content_for :sidebar do %>
diff --git a/source/manual/dictionary.html.erb b/source/manual/dictionary.html.erb
index 5385910..8e8f419 100644
--- a/source/manual/dictionary.html.erb
+++ b/source/manual/dictionary.html.erb
@@ -4,7 +4,7 @@ parent: /manual.html
 layout: false
 section: Learning OTT
 type: learn
-source_url: https://github.com/trade-tariff/govuk-developer-docs/blob/main/data/dictionary.yml
+source_url: https://github.com/trade-tariff/trade-tariff-tech-docs/blob/main/data/dictionary.yml
 ---
 
 <% content_for :sidebar do %>
diff --git a/source/manual/setting-up-new-rails-app.html.md b/source/manual/setting-up-new-rails-app.html.md
index 34e3e21..e9b7a6a 100644
--- a/source/manual/setting-up-new-rails-app.html.md
+++ b/source/manual/setting-up-new-rails-app.html.md
@@ -7,7 +7,7 @@ parent: "/manual.html"
 ---
 
 [mit-license]: https://en.wikipedia.org/wiki/MIT_License
-[docs-applications]: https://github.com/trade-tariff/govuk-developer-docs/blob/main/data/repos.yml
+[docs-applications]: https://github.com/trade-tariff/trade-tariff-tech-docs/blob/main/data/repos.yml
 [get-started]: /manual/get-started.html
 [linting]: /manual/configure-linting.html
 [rails-conv]: /manual/conventions-for-rails-applications.html
diff --git a/source/templates/repo_template.html.md.erb b/source/templates/repo_template.html.md.erb
index 8638df4..7c78661 100644
--- a/source/templates/repo_template.html.md.erb
+++ b/source/templates/repo_template.html.md.erb
@@ -1,7 +1,7 @@
 ---
 layout: repo_layout
 parent: /apps.html
-source_url: https://github.com/trade-tariff/govuk-developer-docs/blob/main/data/repos.yml
+source_url: https://github.com/trade-tariff/trade-tariff-tech-docs/blob/main/data/repos.yml
 ---
 
 <% if repo.retired? %>
diff --git a/spec/app/source_url_spec.rb b/spec/app/source_url_spec.rb
index b59657c..9afc6a2 100644
--- a/spec/app/source_url_spec.rb
+++ b/spec/app/source_url_spec.rb
@@ -23,7 +23,7 @@
 
       source_url = SourceUrl.new({}, current_page).source_url
 
-      expect(source_url).to eql("https://github.com/trade-tariff/govuk-developer-docs/blob/main/source/foo.html.md")
+      expect(source_url).to eql("https://github.com/trade-tariff/trade-tariff-tech-docs/blob/main/source/foo.html.md")
     end
   end
 end
diff --git a/spec/helpers/commit_helpers_spec.rb b/spec/helpers/commit_helpers_spec.rb
index ed273ff..bd5e881 100644
--- a/spec/helpers/commit_helpers_spec.rb
+++ b/spec/helpers/commit_helpers_spec.rb
@@ -29,7 +29,7 @@
         file_descriptor: OpenStruct.new(relative_path: source_file),
       )
       expect(helper.commit_url(current_page)).to match(
-        /https:\/\/github.com\/trade-tariff\/govuk-developer-docs\/commit\/[0-9a-f]{40}$/,
+        /https:\/\/github.com\/trade-tariff\/trade-tariff-tech-docs\/commit\/[0-9a-f]{40}$/,
       )
     end