diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf73da6c..542ddc98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,9 +14,12 @@
 
 An '!' indicates a state machine breaking change.
 
-## [v1.4.0](https://github.com/KYVENetwork/chain/releases/tag/v1.4.0) - 2023-09-04
+## [v1.4.0](https://github.com/KYVENetwork/chain/releases/tag/v1.4.0) - 2023-09-12
 
-- [#33](https://github.com/KYVENetwork/chain/pull/33) Upgrade Cosmos SDK to [v0.47.3](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.47.3) ([`v0.47.3-kyve`](https://github.com/KYVENetwork/cosmos-sdk/releases/tag/v0.47.3-kyve)).
+### Improvements
+
+- (deps) [#33](https://github.com/KYVENetwork/chain/pull/33) Upgrade Cosmos SDK to [v0.47.5](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.47.5) ([`v0.47.5-kyve`](https://github.com/KYVENetwork/cosmos-sdk/releases/tag/v0.47.5-kyve)).
+- [#35](https://github.com/KYVENetwork/chain/pull/35) Use [interchaintest](https://github.com/strangelove-ventures/interchaintest) to test chain upgrades. 
 
 ## [v1.3.1](https://github.com/KYVENetwork/chain/releases/tag/v1.3.1) - 2023-08-02