diff --git a/doc/go1.13.html b/doc/go1.13.html
index f38474b327..3b9da340aa 100644
--- a/doc/go1.13.html
+++ b/doc/go1.13.html
@@ -992,3 +992,13 @@ godoc
 
 </dl><!-- time -->
 
+<dl id="unicode"><dt><a href="/pkg/unicode/">unicode</a></dt>
+  <dd>
+    <p>
+      The <a href="/pkg/unicode/"><code>unicode</code></a> package and associated
+      support throughout the system has been upgraded from Unicode 10.0 to
+      <a href="http://www.unicode.org/versions/Unicode11.0.0/">Unicode 11.0</a>,
+      which adds 684 new characters, including seven new scripts, and 66 new emoji.
+    </p>
+
+</dl><!-- unicode -->