diff --git a/docker/resume/includes/header.html b/docker/resume/includes/header.html
index 1b154cc..a997771 100644
--- a/docker/resume/includes/header.html
+++ b/docker/resume/includes/header.html
@@ -60,6 +60,7 @@
                 <div class="dropdown-content">
                     <a href="/one-pager-tools/csv-tool.html" id="nav-csv">CSV Tool</a>
                     <a href="https://md.colinknapp.com" id="nav-markdown" target="_blank" rel="noopener noreferrer">Markdown Tool</a>
+                    <a href="https://nix.colinknapp.com" id="nav-nix" target="_blank" rel="noopener noreferrer">NixOS Validator</a>
                     <a href="https://qr.colinknapp.com" id="nav-qrcode" target="_blank" rel="noopener noreferrer">QR Code Tool</a>
                 </div>
             </li>