diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d39dfc6eb7f8..488af9f7da88 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2016-05-29  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* doc/xml/manual/backwards_compatibility.xml: Adjust
+	lists.debian.org link to https.
+	* doc/html/manual/backwards.html: Regenerate.
+
 2016-05-27  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/xml/manual/abi.xml: Adjust URL to use https.
diff --git a/libstdc++-v3/doc/html/manual/backwards.html b/libstdc++-v3/doc/html/manual/backwards.html
index 0c6ff0f015b2..0c210ca4bcb8 100644
--- a/libstdc++-v3/doc/html/manual/backwards.html
+++ b/libstdc++-v3/doc/html/manual/backwards.html
@@ -952,7 +952,7 @@ AC_DEFUN([AC_HEADER_UNORDERED_SET], [
       Migrating to GCC 4.1
 	</a>
       </em>. </span><span class="author"><span class="firstname">Dan</span> <span class="surname">Kegel</span>. </span></p></div><div class="biblioentry"><a id="id-1.3.6.3.8.5.3"></a><p><span class="title"><em>
-	<a class="link" href="http://lists.debian.org/debian-gcc/2006/03/msg00405.html" target="_top">
+	<a class="link" href="https://lists.debian.org/debian-gcc/2006/03/msg00405.html" target="_top">
       Building the Whole Debian Archive with GCC 4.1: A Summary
 	</a>
       </em>. </span><span class="author"><span class="firstname">Martin</span> <span class="surname">Michlmayr</span>. </span></p></div><div class="biblioentry"><a id="id-1.3.6.3.8.5.4"></a><p><span class="title"><em>
@@ -962,4 +962,4 @@ AC_DEFUN([AC_HEADER_UNORDERED_SET], [
       </em>. </span></p></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="api.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="appendix_porting.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="appendix_free.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">API Evolution and Deprecation History </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> Appendix C. 
   Free Software Needs Free Documentation
   
-</td></tr></table></div></body></html>
\ No newline at end of file
+</td></tr></table></div></body></html>
diff --git a/libstdc++-v3/doc/xml/manual/backwards_compatibility.xml b/libstdc++-v3/doc/xml/manual/backwards_compatibility.xml
index 59da85ef3f66..579c36875ba7 100644
--- a/libstdc++-v3/doc/xml/manual/backwards_compatibility.xml
+++ b/libstdc++-v3/doc/xml/manual/backwards_compatibility.xml
@@ -1304,7 +1304,7 @@ AC_DEFUN([AC_HEADER_UNORDERED_SET], [
   <biblioentry>
       <title>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink"
-	      xlink:href="http://lists.debian.org/debian-gcc/2006/03/msg00405.html">
+	      xlink:href="https://lists.debian.org/debian-gcc/2006/03/msg00405.html">
       Building the Whole Debian Archive with GCC 4.1: A Summary
 	</link>
       </title>