diff --git a/libstdc++-v3/doc/html/manual/abi.html b/libstdc++-v3/doc/html/manual/abi.html
index 2781aeda30d..a9f7f04fa0c 100644
--- a/libstdc++-v3/doc/html/manual/abi.html
+++ b/libstdc++-v3/doc/html/manual/abi.html
@@ -527,7 +527,7 @@ gcc test.c -g -O2 -L. -lone -ltwo /usr/lib/libstdc++.so.5 /usr/lib/libstdc++.so.
 </p><p>
 <a class="link" href="http://gcc.gnu.org/PR19664" target="_top">19664: libstdc++ headers should have pop/push of the visibility around the declarations</a>
 </p></div><div class="bibliography"><div class="titlepage"><div><div><h3 class="title"><a id="abi.biblio"></a>Bibliography</h3></div></div></div><div class="biblioentry"><a id="biblio.abicheck"></a><p>[biblio.abicheck] <span class="title"><em>
-	<a class="link" href="http://abicheck.sourceforge.net" target="_top">
+	<a class="link" href="https://abicheck.sourceforge.net" target="_top">
 	  ABIcheck
 	</a>
       </em>. </span></p></div><div class="biblioentry"><a id="biblio.cxxabi"></a><p>[biblio.cxxabi] <span class="title"><em>
diff --git a/libstdc++-v3/doc/xml/manual/abi.xml b/libstdc++-v3/doc/xml/manual/abi.xml
index 3cca1fd3b38..3a3cbd3346c 100644
--- a/libstdc++-v3/doc/xml/manual/abi.xml
+++ b/libstdc++-v3/doc/xml/manual/abi.xml
@@ -1130,7 +1130,7 @@ gcc test.c -g -O2 -L. -lone -ltwo /usr/lib/libstdc++.so.5 /usr/lib/libstdc++.so.
     <biblioentry xml:id="biblio.abicheck">
       <title>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink"
-	      xlink:href="http://abicheck.sourceforge.net">
+	      xlink:href="https://abicheck.sourceforge.net">
 	  ABIcheck
 	</link>
       </title>