diff --git a/html/lib.html b/html/lib.html
index 150db98d29de00b6f9f82b9039d9e8a24bcd77d3..b65294bb440fef90dbdf93b1d633757f43f22ece 100644
--- a/html/lib.html
+++ b/html/lib.html
@@ -7,7 +7,7 @@
 </head>
 <body bgcolor="#ffffff">
 
-<h1 class="titre">Alignment API: Libraries shipped with the package (release 4.7)</h1>
+<h1 class="titre">Alignment API: Libraries shipped with the package (release 4.9-)</h1>
 
 <p>The Alignment API uses a number of external libraries.
 These libraries are shipped (in the lib directory) with the Alignment API.
@@ -51,7 +51,7 @@ This is a simplified view: <a href="img/dependencies.png">click here for the ful
 <h3>Required for some bundled matching methods</h3>
 
 <dl>
-<dt><a href="http://ontosim.gforge.inria.fr">OntoSim</a> 2.4: ontosim.jar [<a href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">LGPL</a>]</dt>
+<dt><a href="http://ontosim.gforge.inria.fr">OntoSim</a> 2.6: ontosim.jar [<a href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">LGPL</a>]</dt>
 <dd>The whole ontosim system requires more libraries, including JWNL. But in our simplest behaviour, these libraries are not needed.</dd>
 <dt><a href="http://lucene.apache.org/">Lucene</a> 6.6.0: lucene-core.jar, lucene-analyzers-common.jar [<a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache</a>]</dt>
 <dd>This small part of lucene is used for WordNet matching classes.</dd>
diff --git a/html/relnotes.html b/html/relnotes.html
index ce54dcedd5f620ac3c8da132ff7791955c934460..430762a502341ae41835129c17ee5deb7582fa54 100644
--- a/html/relnotes.html
+++ b/html/relnotes.html
@@ -94,6 +94,7 @@ with a warning:
 <li>Upgraded to <span style="color: green">Thrift 0.10.0</span> (lib)</li>
 <li>Upgraded to <span style="color: green">HTTP Client 4.5.2</span> and <span style="color: green">HTTP Core 4.4.4</span> (lib)</li>
 <li>Upgraded to <span style="color: green">Jena 3.3.0</span> (lib)</li>
+<li>Upgraded to <span style="color: green">Ontosim 2.6</span> (lib)</li>
 <li>Upgraded to <span style="color: green">TestNG 6.11</span> (dev)</li>
 </ul></p>