diff --git a/docs/Migration-Guide.md b/docs/Migration-Guide.md
index b1ebc1b3d37..06496997b8e 100644
--- a/docs/Migration-Guide.md
+++ b/docs/Migration-Guide.md
@@ -2,6 +2,11 @@
 
 This page describes various changes deployers will need to make as they deploy newer versions of the portal.
 
+## v6.0.23 -> v6.0.24
+
+- Redis HTTP Session:
+    - As part of release [v6.0.24](https://github.com/cBioPortal/cbioportal/releases/tag/v6.0.24), Spring Boot has been upgraded to v3.4 which includes some changes to HTTP sessions. It won't affect most standard single-node deployments of cBioPortal, but if you are running multiple replicas and use Redis to manage HTTP sessions, you will need to clear and restart the Redis session server after upgrading your portal. 
+
 ## v5 -> v6
 
 - Override Spring Application Properties: