diff --git a/appdefs.xml b/appdefs.xml
index bb76581..b125e0b 100644
--- a/appdefs.xml
+++ b/appdefs.xml
@@ -112,6 +112,12 @@ hooks.
     </documentation>
     <!-- Changelog of the application. -->
     <history>
+      <release>
+        <version>1.5.5</version>
+        <date>2017-07-27</date>
+        <change>Now using baseimage v2.0.3, which brings the following changes:</change>
+        <change level="2">Improved robustness of the X server starting process.</change>
+      </release>
       <release>
         <version>1.5.4</version>
         <date>2017-07-26</date>