diff --git a/HISTORY b/HISTORY
index 51b10f8c..7d4a3cfe 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,4 +1,4 @@
-4.0.4   2018-03-08
+4.0.4   2018-03-09
         repmgr: add "standby clone --recovery-conf-only" option; GitHub #382 (Ian)
         repmgr: make "standby promote" timeout values configurable; GitHub #387 (Ian)
         repmgr: improve replication slot warnings generated by "node status";
diff --git a/doc/appendix-release-notes.sgml b/doc/appendix-release-notes.sgml
index 78ae55c7..2588b705 100644
--- a/doc/appendix-release-notes.sgml
+++ b/doc/appendix-release-notes.sgml
@@ -17,7 +17,7 @@
 
   <sect1 id="release-4.0.4">
     <title>Release 4.0.4</title>
-    <para><emphasis>Thu Mar 8, 2018</emphasis></para>
+    <para><emphasis>Fri Mar 9, 2018</emphasis></para>
 
     <para>
       &repmgr; 4.0.4 contains some bug fixes and and a number of