diff --git a/baseimagedefs.xml b/baseimagedefs.xml
index 199da80..ea74776 100644
--- a/baseimagedefs.xml
+++ b/baseimagedefs.xml
@@ -130,6 +130,11 @@ container.
     </documentation>
     <!-- Changelog. -->
     <history>
+      <release>
+        <version>3.5.0</version>
+        <date>2018-08-14</date>
+        <change>Added baseimage based on Ubuntu 18.04.</change>
+      </release>
       <release>
         <version>3.4.0</version>
         <date>2018-07-06</date>