diff --git a/app/models/forms/bulk_upload_lettings/prepare_your_file.rb b/app/models/forms/bulk_upload_lettings/prepare_your_file.rb
index c52a4feab..cc6fe2a7e 100644
--- a/app/models/forms/bulk_upload_lettings/prepare_your_file.rb
+++ b/app/models/forms/bulk_upload_lettings/prepare_your_file.rb
@@ -34,7 +34,11 @@ module Forms
       end
 
       def specification_path
-        "/files/bulk-upload-lettings-specification-2022-23.xlsx"
+        if year <= 2022
+          "/files/bulk-upload-lettings-specification-2022-23.xlsx"
+        else
+          "/files/bulk-upload-lettings-specification-2023-24.xlsx"
+        end
       end
 
       def year_combo
diff --git a/app/models/forms/bulk_upload_sales/prepare_your_file.rb b/app/models/forms/bulk_upload_sales/prepare_your_file.rb
index bdb59f0d6..e15e89262 100644
--- a/app/models/forms/bulk_upload_sales/prepare_your_file.rb
+++ b/app/models/forms/bulk_upload_sales/prepare_your_file.rb
@@ -32,7 +32,11 @@ module Forms
       end
 
       def specification_path
-        "/files/bulk-upload-sales-specification-2022-23.xlsx"
+        if year <= 2022
+          "/files/bulk-upload-sales-specification-2022-23.xlsx"
+        else
+          "/files/bulk-upload-sales-specification-2023-24.xlsx"
+        end
       end
 
       def year_combo
diff --git a/app/views/bulk_upload_lettings_logs/forms/prepare_your_file.html.erb b/app/views/bulk_upload_lettings_logs/forms/prepare_your_file.html.erb
index e81a79f04..2bfda7e06 100644
--- a/app/views/bulk_upload_lettings_logs/forms/prepare_your_file.html.erb
+++ b/app/views/bulk_upload_lettings_logs/forms/prepare_your_file.html.erb
@@ -21,7 +21,7 @@
 
       <h2 class="govuk-heading-m">Check your data</h2>
       <ul class="govuk-list govuk-list--bullet">
-        <li>Check data is complete and formatted correctly, using <%= govuk_link_to "Lettings 2022-23 Bulk Upload Specification", @form.specification_path %></li>
+        <li>Check data is complete and formatted correctly, using <%= govuk_link_to "Lettings #{@form.year_combo} Bulk Upload Specification", @form.specification_path %></li>
       </ul>
 
       <h2 class="govuk-heading-m">Save your file</h2>
diff --git a/app/views/bulk_upload_sales_logs/forms/prepare_your_file.html.erb b/app/views/bulk_upload_sales_logs/forms/prepare_your_file.html.erb
index ad6ef64aa..521953cee 100644
--- a/app/views/bulk_upload_sales_logs/forms/prepare_your_file.html.erb
+++ b/app/views/bulk_upload_sales_logs/forms/prepare_your_file.html.erb
@@ -21,7 +21,7 @@
 
       <h2 class="govuk-heading-m">Check your data</h2>
       <ul class="govuk-list govuk-list--bullet">
-        <li>Check data is complete and formatted correctly, using <%= govuk_link_to "Sales 2022-23 Bulk Upload Specification", @form.specification_path %></li>
+        <li>Check data is complete and formatted correctly, using <%= govuk_link_to "Sales #{@form.year_combo} Bulk Upload Specification", @form.specification_path %></li>
       </ul>
 
       <h2 class="govuk-heading-m">Save your file</h2>
diff --git a/public/files/bulk-upload-lettings-specification-2023-24.xlsx b/public/files/bulk-upload-lettings-specification-2023-24.xlsx
new file mode 100644
index 000000000..cdea0441f
Binary files /dev/null and b/public/files/bulk-upload-lettings-specification-2023-24.xlsx differ
diff --git a/public/files/bulk-upload-sales-specification-2023-24.xlsx b/public/files/bulk-upload-sales-specification-2023-24.xlsx
new file mode 100644
index 000000000..ac7a32b9c
Binary files /dev/null and b/public/files/bulk-upload-sales-specification-2023-24.xlsx differ