diff --git a/icu4j/build.xml b/icu4j/build.xml
index 781a6d0229e..d7c2cb2cc58 100644
--- a/icu4j/build.xml
+++ b/icu4j/build.xml
@@ -57,7 +57,7 @@
     <property name="icu4j.api.doc.window.title" value="ICU4J ${api.doc.version}"/>
     <property name="icu4j.api.doc.header" value="ICU4J ${api.doc.version}"/>
 
-    <property name="icu4j.api.doc.jdk.link" value="http://docs.oracle.com/javase/8/docs/api/"/>
+    <property name="icu4j.api.doc.jdk.link" value="https://docs.oracle.com/javase/8/docs/api/"/>
     <property name="icu4j.api.doc.copyright.footer" value="&lt;font size=-1&gt;Copyright &#x00A9; 2016 Unicode, Inc. and others.&lt;/font&gt;"/>
 
     <!-- API docs for maven repo -->