diff --git a/icu4j/APIChangeReport.html b/icu4j/APIChangeReport.html
index b1e43a3603d..c969c870276 100644
--- a/icu4j/APIChangeReport.html
+++ b/icu4j/APIChangeReport.html
@@ -69,6 +69,7 @@ UniversalTimeScale
 <h3>Package com.ibm.icu.text</h3>
 <ul>
 <li><span style='color:green'>(stable)</span> public final class <i>SimpleFormatter</i></li>
+<li><span style='color:green'>(stable)</span> public static enum <i>RelativeDateTimeFormatter.RelativeDateTimeUnit</i></li>
 DateFormat.Field
 <ul>
 <li><span style='color:green'>(stable)</span> public static final DateFormat.Field AM_PM_MIDNIGHT_NOON</li>
@@ -158,6 +159,6 @@ MeasureUnit
 </ul>
 
 <hr/>
-<p><i><font size="-1">Contents generated by ReportAPI tool on Fri Apr 07 04:10:26 EDT 2017<br/>© 2017 and later: Unicode, Inc. and others. License & terms of use: <a href="http://www.unicode.org/copyright.html#License">http://www.unicode.org/copyright.html#License</a></font></i></p>
+<p><i><font size="-1">Contents generated by ReportAPI tool on Mon Apr 10 10:43:02 EDT 2017<br/>© 2017 and later: Unicode, Inc. and others. License & terms of use: <a href="http://www.unicode.org/copyright.html#License">http://www.unicode.org/copyright.html#License</a></font></i></p>
 </body>
 </html>
diff --git a/icu4j/tools/build/icu4j59.api3.gz b/icu4j/tools/build/icu4j59.api3.gz
index 609401f40d2..cce49e15fe0 100644
--- a/icu4j/tools/build/icu4j59.api3.gz
+++ b/icu4j/tools/build/icu4j59.api3.gz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1c04894b8a51a6d0d7ee3b21e8390234023a31b4da9acb843cf8eaf81b3fb68b
-size 56283
+oid sha256:42c423dd5ba53a819bd6a9b123d0171027072eaa5c3bc96256742fe27e21a2b4
+size 56279