diff --git a/.changelog/18150.txt b/.changelog/18150.txt
new file mode 100644
index 000000000000..492e7ad1b9ff
--- /dev/null
+++ b/.changelog/18150.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+xds: Explicitly enable WebSocket connection upgrades in HTTP connection manager
+```