diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index fa5be3125..d6a1a64f9 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -106,6 +106,15 @@
 * tcl: fix truncation of long integer returned by function hdata_long
 * trigger: fix memory leak when adding a new trigger with `/trigger` command
 
+[[v4.2.3]]
+== Version 4.2.3 (2024-05-31)
+
+Bug fixes::
+
+  * xfer: fix send of data on the DCC chat buffer after `/upgrade` if the buffer was opened before the upgrade (issue #2092)
+  * irc: fix crash in split of IRC message containing a newline if the server is not given
+  * core, relay: fix include directory of libzstd
+
 [[v4.2.2]]
 == Version 4.2.2 (2024-04-07)
 
diff --git a/ReleaseNotes.adoc b/ReleaseNotes.adoc
index 30ae7556f..58473708a 100644
--- a/ReleaseNotes.adoc
+++ b/ReleaseNotes.adoc
@@ -71,6 +71,11 @@ the keys with the following commands:
 /reset weechat.key_mouse.@chat(script.scripts):wheelup
 ----
 
+[[v4.2.3]]
+== Version 4.2.3 (2024-05-31)
+
+No release notes.
+
 [[v4.2.2]]
 == Version 4.2.2 (2024-04-07)