diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09868088e6..befb7bfd86 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
 # Changelog
 ## v6.6
 sei-chain
+* [#3743](https://github.com/sei-protocol/sei-chain/pull/3743) Backport `release/v6.6`: feat(cosmos): range-check Dec conversions and DecCoin validation (CON-369)
+* [#3732](https://github.com/sei-protocol/sei-chain/pull/3732) Bump version in prep to release v6.6-rc2
+* [#3731](https://github.com/sei-protocol/sei-chain/pull/3731) Backport `release/v6.6`: Update v6.6 changelog in prep to cut RC2
 * [#3717](https://github.com/sei-protocol/sei-chain/pull/3717) Backport `release/v6.6`: Accept legacy cosmos_only SC write mode
 * [#3697](https://github.com/sei-protocol/sei-chain/pull/3697) Backport `release/v6.6`: Fix rpc hash race condition
 * [#3694](https://github.com/sei-protocol/sei-chain/pull/3694) Backport `release/v6.6`: Add GoReleaser release pipeline for static seid binaries (#3425)