diff --git a/winsup/cygwin/release/3.5.4 b/winsup/cygwin/release/3.5.4
index c95ef4635..fd3245aa5 100644
--- a/winsup/cygwin/release/3.5.4
+++ b/winsup/cygwin/release/3.5.4
@@ -22,3 +22,6 @@ Fixes:
 
 - Fix conflict on shared name in console between sessions.
   Addresses: https://cygwin.com/pipermail/cygwin/2024-April/255893.html
+
+- Fix an off-by-one in LC_MESSAGE wide character data.
+  Addresses: https://sourceware.org/pipermail/newlib/2024/021271.html