diff --git a/static/build.html b/static/build.html
index 81235724..053e5c84 100644
--- a/static/build.html
+++ b/static/build.html
@@ -265,6 +265,7 @@
                         <li>protobuf library for Python 3</li>
                         <li>Node.js 18 LTS</li>
                         <li>yarn</li>
+                        <li>e2fsprogs (for the debugfs command used for extracting data from ext4 images)</li>
                     </ul>
 
                     <p>Additional Vanadium (Chromium) build dependencies not provided by the source tree:</p>