diff --git a/HISTORY b/HISTORY
index 00923025..5d807970 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,4 +1,4 @@
-5.3.0   2021-??-??
+5.3.0   2021-10-12
         standby switchover: improve handling of node rejoin failure (Ian)
         repmgrd: prefix all shared library functions with "repmgr_" to
           minimize the risk of clashes with other shared libraries (Ian)
diff --git a/doc/appendix-release-notes.xml b/doc/appendix-release-notes.xml
index d94d26a6..16ed3aa8 100644
--- a/doc/appendix-release-notes.xml
+++ b/doc/appendix-release-notes.xml
@@ -18,13 +18,13 @@
 <!-- remember to update the release date in ../repmgr_version.h.in -->
   <sect1 id="release-5.3.0">
     <title id="release-current">Release 5.3.0</title>
-    <para><emphasis>??? ? ???, 2021</emphasis></para>
+    <para><emphasis>Tue 12 October, 2021</emphasis></para>
     <para>
       &repmgr; 5.3.0 is a major release.
     </para>
     <para>
       This release provides support for <ulink url="https://www.postgresql.org/docs/14/release-14.html">PostgreSQL 14</ulink>,
-      to be released in September 2021.
+      released in September 2021.
     </para>
     <sect2>
       <title>Improvements</title>