diff --git a/.changelog/20078.txt b/.changelog/20078.txt
new file mode 100644
index 0000000000000..6131063a22549
--- /dev/null
+++ b/.changelog/20078.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+xds: replace usage of deprecated Envoy field `envoy.config.core.v3.HeaderValueOption.append`
+```
\ No newline at end of file