diff --git a/libstdc++-v3/doc/html/manual/associative.html b/libstdc++-v3/doc/html/manual/associative.html
index 88250da60d5..23916fb1631 100644
--- a/libstdc++-v3/doc/html/manual/associative.html
+++ b/libstdc++-v3/doc/html/manual/associative.html
@@ -12,7 +12,7 @@
      item to insert.  The standard says that <span class="quote">“<span class="quote"><code class="code">t</code> is
      inserted as close as possible to the position just prior to
      <code class="code">p</code>.</span>”</span> (Library DR #233 addresses this topic,
-     referring to <a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1780.html" target="_top">N1780</a>.
+     referring to <a class="link" href="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1780.html" target="_top">N1780</a>.
      Since version 4.2 GCC implements the resolution to DR 233, so
      that insertions happen as close as possible to the hint. For
      earlier releases the hint was only used as described below.
diff --git a/libstdc++-v3/doc/xml/manual/containers.xml b/libstdc++-v3/doc/xml/manual/containers.xml
index e5810fa5f31..6d9a3874924 100644
--- a/libstdc++-v3/doc/xml/manual/containers.xml
+++ b/libstdc++-v3/doc/xml/manual/containers.xml
@@ -94,7 +94,7 @@
      item to insert.  The standard says that <quote><code>t</code> is
      inserted as close as possible to the position just prior to
      <code>p</code>.</quote> (Library DR #233 addresses this topic,
-     referring to <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1780.html">N1780</link>.
+     referring to <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1780.html">N1780</link>.
      Since version 4.2 GCC implements the resolution to DR 233, so
      that insertions happen as close as possible to the hint. For
      earlier releases the hint was only used as described below.