diff --git a/appdefs.xml b/appdefs.xml
index a9371e5..0c12775 100644
--- a/appdefs.xml
+++ b/appdefs.xml
@@ -63,6 +63,14 @@ outside the container.
     </documentation>
     <!-- Changelog of the application. -->
     <history>
+      <release>
+        <version>1.3.1</version>
+        <date>2017-06-21</date>
+        <change>Now using baseimage v1.4.2, which brings the following changes (from last used version):</change>
+        <change level="2">Associate the application's icon to a unique version to avoid browser cache issues.</change>
+        <change level="2">Fixed prefix of some service related messages.</change>
+        <change level="2">Added support for supplying supplementary groups of the application.</change>
+      </release>
       <release>
         <version>1.3.0</version>
         <date>2017-06-06</date>