diff --git a/doc/appendix-release-notes.xml b/doc/appendix-release-notes.xml
index 37706b3a..6acf81af 100644
--- a/doc/appendix-release-notes.xml
+++ b/doc/appendix-release-notes.xml
@@ -26,6 +26,11 @@
       <title>Bug fixes</title>
       <para>
         <itemizedlist>
+           <listitem>
+             <para>
+               Fix upgrade path from &repmgr; 4.2 and 4.3 to &repmgr; 5.3.
+             </para>
+           </listitem>
            <listitem>
              <para>
                &repmgrd;: ensure potentially open connections are closed.