diff --git a/static/build.html b/static/build.html
index e5b43319..c836aad4 100644
--- a/static/build.html
+++ b/static/build.html
@@ -267,6 +267,7 @@
             <p>Additional android-prepare-vendor (for Pixel phones) dependencies:</p>
 
             <ul>
+                <li>OpenJDK (for the jar command)</li>
                 <li>python2</li>
                 <li>python2-protobuf</li>
             </ul>