From 25bc3b530ffc1fe7cadea35dfd4bd7c7c12d1bba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Mierzwa?= <l.mierzwa@gmail.com>
Date: Fri, 23 Jul 2021 19:39:23 +0100
Subject: [PATCH] fix(docs): update changelog

---
 CHANGELOG.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 233f3652a..adcac69a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## v0.89
+
+### Fixed
+
+- API could error if multiple alertmanager upstreams belonging to the
+  same cluster were configured, but `cluster` option was unset
+  #3372 (@valihanov).
+
 ## v0.88
 
 ### Added