diff --git a/HISTORY b/HISTORY
index a0d25227..65071b52 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,3 +1,6 @@
+5.4.0   2023-03-16
+	Support cloning replicas using pg-backup-api
+
 5.3.3   2022-10-17
         Support for PostgreSQL added
         repmgrd: ensure event notification script is called for event
diff --git a/doc/appendix-release-notes.xml b/doc/appendix-release-notes.xml
index 380d9a22..39ee8c7d 100644
--- a/doc/appendix-release-notes.xml
+++ b/doc/appendix-release-notes.xml
@@ -16,8 +16,22 @@
   </para>
 
   <!-- remember to update the release date in ../repmgr_version.h.in -->
+  <sect1 id="release-5.4.0">
+    <title id="release-current">Release 5.4.0</title>
+    <para><emphasis>Thu 15 March, 2023</emphasis></para>
+    <para>
+      &repmgr; 5.4.0 is a major release.
+    </para>
+    <para>
+      This release provides support for cloning standbys using backups taken with <ulink url="http://www.pgbarman.org">barman</ulink>
+      with the use of <ulink url="https://github.com/EnterpriseDB/pg-backup-api">pg-backup-api</ulink>.
+    </para>
+    <para>
+      Minor fixes to the documentation.
+    </para>
+
   <sect1 id="release-5.3.3">
-    <title id="release-current">Release 5.3.3</title>
+    <title>Release 5.3.3</title>
     <para><emphasis>Mon 17 October, 2022</emphasis></para>
     <para>
       &repmgr; 5.3.3 is a minor release providing support for