diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cbefb57c..ea872a01e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [[Unreleased]]
 
+## [[4.3.1]] - 2025-11-12
+
 ### Added
 
 - Add `encode_mptoken_metadata` and `decode_mptoken_metadata` helper functions to encode and decode MPTokenMetadata as per XLS-89 standard.
@@ -16,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Removed snippets files from the xrpl-py code repository. Updated the README file to point to the correct location on XRPL.org.
 - [Breaking change] Fix `MPTokenMetadata` type to adhere to the XLS-89 standard. Since XLS-89 is still in a forming state and undergoing changes, this breaking change is being released as a bug fix via patch version bump. If you are using `MPTokenMetadata` in your code, please verify that it adheres to the updated type definition.
 - [Breaking change] Fix `validate_mptoken_metadata` to correctly validate MPTokenMetadata as per XLS-89 standard. Since XLS-89 is still in a forming state and undergoing changes, this breaking change is being released as a bug fix via patch version bump. If you are using `validateMPTokenMetadata` in your code, expect it to change as per the XLS-89 standard.
+- Fixed the binary-codec issues pertaining to the serialization of the `MPTCurrency` rippled type. (Reference PR: https://github.com/XRPLF/xrpl-py/pull/870)
 
 ## [[4.3.0]] - 2025-07-29
 
diff --git a/pyproject.toml b/pyproject.toml
index 13946abca..f105c4b7e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "xrpl-py"
-version = "4.3.0"
+version = "4.3.1"
 description = "A complete Python library for interacting with the XRP ledger"
 license = "ISC"
 readme = "README.md"