diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3dfe3d..60ecb3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+## [2.13.1] - 2024-08-05Z
 - Added new validator to PensionValidator to check for amount lower than 10 millions.
 
 ## [2.13.0] - 2024-07-30Z
diff --git a/Package.swift b/Package.swift
index 3a384e2..e9dabfb 100644
--- a/Package.swift
+++ b/Package.swift
@@ -15,8 +15,8 @@ let package = Package(
     targets: [
         .binaryTarget(
             name: "TaxKalculator",
-            url: "https://github.com/hmrc/tax-kalculator/releases/download/2.13.0/TaxKalculator.xcframework.zip",
-            checksum: "4c904fd16f1563bc826828df87b7815127d309760224ad77b793c17dc697120f"
+            url: "https://github.com/hmrc/tax-kalculator/releases/download/2.13.1/TaxKalculator.xcframework.zip",
+            checksum: "d58a6d23ebfa0289e37d06006027a2422101ff17f4b354e422de6178fd390d9b"
         ),
     ]
 )