diff --git a/src/site/xdoc/issue-tracking.xml b/src/site/xdoc/issue-tracking.xml
index 44bf2c1..21371b5 100644
--- a/src/site/xdoc/issue-tracking.xml
+++ b/src/site/xdoc/issue-tracking.xml
@@ -86,7 +86,7 @@
 
       <p>
       For more information on subversion and creating patches see the
-      <a href="http://www.apache.org/dev/contributors.html">Apache Contributors Guide</a>.
+      <a href="https://www.apache.org/dev/contributors.html">Apache Contributors Guide</a>.
       </p>
 
       <p>
diff --git a/src/site/xdoc/mail-lists.xml b/src/site/xdoc/mail-lists.xml
index 8c68ae0..645fa00 100644
--- a/src/site/xdoc/mail-lists.xml
+++ b/src/site/xdoc/mail-lists.xml
@@ -49,7 +49,7 @@
     <section name="Overview">
       <p>
         <a href="index.html">Apache Commons Configuration</a> shares mailing lists with all the other
-        <a href="http://commons.apache.org/components.html">Commons Components</a>.
+        <a href="https://commons.apache.org/components.html">Commons Components</a>.
         To make it easier for people to only read messages related to components they are interested in,
         the convention in Commons is to prefix the subject line of messages with the component's name,
         for example:
@@ -59,9 +59,9 @@
       </p>
       <p>
         Questions related to the usage of Apache Commons Configuration should be posted to the
-        <a href="http://mail-archives.apache.org/mod_mbox/commons-user/">User List</a>.
+        <a href="https://mail-archives.apache.org/mod_mbox/commons-user/">User List</a>.
         <br />
-        The <a href="http://mail-archives.apache.org/mod_mbox/commons-dev/">Developer List</a>
+        The <a href="https://mail-archives.apache.org/mod_mbox/commons-dev/">Developer List</a>
         is for questions and discussion related to the development of Apache Commons Configuration.
         <br />
         Please do not cross-post; developers are also subscribed to the user list.
@@ -105,10 +105,10 @@
           <td><a href="mailto:user-subscribe@commons.apache.org">Subscribe</a></td>
           <td><a href="mailto:user-unsubscribe@commons.apache.org">Unsubscribe</a></td>
           <td><a href="mailto:user@commons.apache.org?subject=[configuration]">Post</a></td>
-          <td><a href="http://mail-archives.apache.org/mod_mbox/commons-user/">mail-archives.apache.org</a></td>
-          <td><a href="http://markmail.org/list/org.apache.commons.users/">markmail.org</a><br />
-              <a href="http://www.mail-archive.com/user@commons.apache.org/">www.mail-archive.com</a><br />
-              <a href="http://news.gmane.org/gmane.comp.jakarta.commons.devel">news.gmane.org</a>
+          <td><a href="https://mail-archives.apache.org/mod_mbox/commons-user/">mail-archives.apache.org</a></td>
+          <td><a href="https://markmail.org/list/org.apache.commons.users/">markmail.org</a><br />
+              <a href="https://www.mail-archive.com/user@commons.apache.org/">www.mail-archive.com</a><br />
+              <a href="https://news.gmane.org/gmane.comp.jakarta.commons.devel">news.gmane.org</a>
           </td>
         </tr>
 
@@ -123,10 +123,10 @@
           <td><a href="mailto:dev-subscribe@commons.apache.org">Subscribe</a></td>
           <td><a href="mailto:dev-unsubscribe@commons.apache.org">Unsubscribe</a></td>
           <td><a href="mailto:dev@commons.apache.org?subject=[configuration]">Post</a></td>
-          <td><a href="http://mail-archives.apache.org/mod_mbox/commons-dev/">mail-archives.apache.org</a></td>
-          <td><a href="http://markmail.org/list/org.apache.commons.dev/">markmail.org</a><br />
-              <a href="http://www.mail-archive.com/dev@commons.apache.org/">www.mail-archive.com</a><br />
-              <a href="http://news.gmane.org/gmane.comp.jakarta.commons.devel">news.gmane.org</a>
+          <td><a href="https://mail-archives.apache.org/mod_mbox/commons-dev/">mail-archives.apache.org</a></td>
+          <td><a href="https://markmail.org/list/org.apache.commons.dev/">markmail.org</a><br />
+              <a href="https://www.mail-archive.com/dev@commons.apache.org/">www.mail-archive.com</a><br />
+              <a href="https://news.gmane.org/gmane.comp.jakarta.commons.devel">news.gmane.org</a>
           </td>
         </tr>
 
@@ -141,9 +141,9 @@
           <td><a href="mailto:issues-subscribe@commons.apache.org">Subscribe</a></td>
           <td><a href="mailto:issues-unsubscribe@commons.apache.org">Unsubscribe</a></td>
           <td><i>read only</i></td>
-          <td><a href="http://mail-archives.apache.org/mod_mbox/commons-issues/">mail-archives.apache.org</a></td>
-          <td><a href="http://markmail.org/list/org.apache.commons.issues/">markmail.org</a><br />
-              <a href="http://www.mail-archive.com/issues@commons.apache.org/">www.mail-archive.com</a>
+          <td><a href="https://mail-archives.apache.org/mod_mbox/commons-issues/">mail-archives.apache.org</a></td>
+          <td><a href="https://markmail.org/list/org.apache.commons.issues/">markmail.org</a><br />
+              <a href="https://www.mail-archive.com/issues@commons.apache.org/">www.mail-archive.com</a>
           </td>
         </tr>
 
@@ -152,15 +152,15 @@
           <td>
             <strong>Commons Commits List</strong>
             <br /><br />
-            Only for e-mails automatically generated by the <a href="source-repository.html">source control</a> sytem.
+            Only for e-mails automatically generated by the <a href="scm.html">source control</a> sytem.
             <br /><br />
           </td>
           <td><a href="mailto:commits-subscribe@commons.apache.org">Subscribe</a></td>
           <td><a href="mailto:commits-unsubscribe@commons.apache.org">Unsubscribe</a></td>
           <td><i>read only</i></td>
-          <td><a href="http://mail-archives.apache.org/mod_mbox/commons-commits/">mail-archives.apache.org</a></td>
-          <td><a href="http://markmail.org/list/org.apache.commons.commits/">markmail.org</a><br />
-              <a href="http://www.mail-archive.com/commits@commons.apache.org/">www.mail-archive.com</a>
+          <td><a href="https://mail-archives.apache.org/mod_mbox/commons-commits/">mail-archives.apache.org</a></td>
+          <td><a href="https://markmail.org/list/org.apache.commons.commits/">markmail.org</a><br />
+              <a href="https://www.mail-archive.com/commits@commons.apache.org/">www.mail-archive.com</a>
           </td>
         </tr>
 
@@ -191,11 +191,11 @@
           <td><a class="externalLink" href="mailto:announce-subscribe@apache.org">Subscribe</a></td>
           <td><a class="externalLink" href="mailto:announce-unsubscribe@apache.org">Unsubscribe</a></td>
           <td><i>read only</i></td>
-          <td><a class="externalLink" href="http://mail-archives.apache.org/mod_mbox/www-announce/">mail-archives.apache.org</a></td>
-          <td><a class="externalLink" href="http://markmail.org/list/org.apache.announce/">markmail.org</a><br />
-              <a class="externalLink" href="http://old.nabble.com/Apache-News-and-Announce-f109.html">old.nabble.com</a><br />
-              <a class="externalLink" href="http://www.mail-archive.com/announce@apache.org/">www.mail-archive.com</a><br />
-              <a class="externalLink" href="http://news.gmane.org/gmane.comp.apache.announce">news.gmane.org</a>
+          <td><a class="externalLink" href="https://mail-archives.apache.org/mod_mbox/www-announce/">mail-archives.apache.org</a></td>
+          <td><a class="externalLink" href="https://markmail.org/list/org.apache.announce/">markmail.org</a><br />
+              <a class="externalLink" href="https://old.nabble.com/Apache-News-and-Announce-f109.html">old.nabble.com</a><br />
+              <a class="externalLink" href="https://www.mail-archive.com/announce@apache.org/">www.mail-archive.com</a><br />
+              <a class="externalLink" href="https://news.gmane.org/gmane.comp.apache.announce">news.gmane.org</a>
           </td>
         </tr>
       </table>