diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index 3e87c924..c4e3b6af 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -42,6 +42,7 @@ Modules:
   disabling ZoneId normalization on deserialization
  (requested by @indyana)
 
+2.15.4 (15-Feb-2024)
 2.15.3 (12-Oct-2023)
 2.15.2 (30-May-2023)
 2.15.1 (16-May-2023)