diff --git a/app/main.rb b/app/main.rb
index 17e86f9..057bce2 100644
--- a/app/main.rb
+++ b/app/main.rb
@@ -15,6 +15,14 @@ class ShipmentViewer < Sinatra::Base
 
   set :host_authorization, permitted_hosts: []
 
+  def footer_commit
+    @footer_commit ||= if ENV['VERCEL_GIT_COMMIT_SHA']
+                         "rev #{ENV['VERCEL_GIT_COMMIT_SHA'][...7]}"
+                       else
+                         "development!"
+                       end
+  end
+
   def gen_url(email)
     "#{ENV['BASE_URL']}/dyn/shipments/#{email}?signature=#{sign(email)}"
   end
diff --git a/app/views/layout.erb b/app/views/layout.erb
index 4be159a..749eeca 100644
--- a/app/views/layout.erb
+++ b/app/views/layout.erb
@@ -39,7 +39,7 @@
       <% if @internal %>
       <p><%= ["don't do anything i wouldn't do", "agent 47! welcome!", "i ship it :3"].sample %></p>
       <% end %>
-      <p>with <3 from <a target="_blank" href="https://hackclub.com/">Hack Club</a>! open-source'd @  <a target="_blank" href="https://github.com/hackclub/shipment-viewer">hackclub/shipment-viewer</a> <i class="fa-brands fa-github"></i>.</p>
+      <p>with <3 from <a target="_blank" href="https://hackclub.com/">Hack Club</a>! open-source'd&nbsp@&nbsp<a target="_blank" href="https://github.com/hackclub/shipment-viewer">hackclub/shipment-viewer</a>&nbsp<i class="fa-brands fa-github"></i> (<%= footer_commit %>)</p>
     </div>
   </div>