diff --git a/CHANGELOG.md b/CHANGELOG.md
index b062d0a8c7..01bbb25b64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,7 +44,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 # Changelog
 
-## Unreleased
+## v6.6.0-rc1
 
 ### Features
 
@@ -67,7 +67,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 - [2473](https://github.com/umee-network/umee/pull/2473) Correct x/ugov Amino registration for x/ugov messages (they don't have MessageName option).
 - [2547](https://github.com/umee-network/umee/pull/2547) Fix the `MissCounters` grpc-web get api result.
 
-## v6.5.0
+## v6.5.0 - 2024-06-21
 
 ### Bug Fixes
 
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 7592fd58fa..a2654963b0 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -10,7 +10,7 @@ The Release Procedure is defined in the [CONTRIBUTING](CONTRIBUTING.md#release-p
 
 Highlights:
 
-- Cosmos SDK v0.47.11 update.
+- Cosmos SDK v0.47.13 update.
 - Adding new `auction` module to our app.
 - Removing `crisis` module from our app.
 
diff --git a/x/auction/README.md b/x/auction/README.md
index 844445fdb7..f4967d71fc 100644
--- a/x/auction/README.md
+++ b/x/auction/README.md
@@ -35,7 +35,7 @@ timeline
 
 ### Parameters
 
-1. `duration` : time duration when we collect bids for the current auction. Initial value: 7 days.
+1. `duration` : time duration when we collect bids for the current auction. Initial value: 14 days.
 2. `min_bid` is the minimum increase of the previous bid or the minimum bid if it's the
 3. `auction_account`: an account receiving protocol revenues and managing the burn auction. This will be a sub-module account, and used to share with x/leverage and x/metoken modules.