diff --git a/packages/atlas-core/CHANGELOG.md b/packages/atlas-core/CHANGELOG.md
index 9e819ddd4..811fae621 100644
--- a/packages/atlas-core/CHANGELOG.md
+++ b/packages/atlas-core/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [3.12.1] Atlas Core - 2023-10-16
+
 ### Fixed
 
 -   We fixed an issue with Scroll Container sidebar having unwanted scrollbars in the modern client.