diff --git a/src/site/site.xml b/src/site/site.xml
index cbbc6893f5..d35d1c08dc 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -19,7 +19,7 @@
 -->
 <site xmlns="http://maven.apache.org/SITE/2.0.0" 
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/SITE/2.0.0 http://maven.apache.org/xsd/site-2.0.0.xsd"
+  xsi:schemaLocation="http://maven.apache.org/SITE/2.0.0 https://maven.apache.org/xsd/site-2.0.0.xsd"
   name="Apache Commons BCEL">
   <bannerRight name="Commons BCEL" href="/index.html">
     <image src="/images/logo.gif"/>