diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f28fda2..f07df245 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## v1.3.51 (2023-11-02)
+
+### Fixed
+
+- Postpone Legacy AlertManager and Grafana Alerting integration auto-migration date ([3250])(<https://github.com/grafana/oncall/pull/3250>)
+
 ## v1.3.50 (2023-11-02)
 
 ### Fixed