diff --git a/.changelog/2156.txt b/.changelog/2156.txt
new file mode 100644
index 0000000000..cb812b451a
--- /dev/null
+++ b/.changelog/2156.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+control-plane: add support for idleTimeout in the Service Router config
+```