diff --git a/CHANGELOG.md b/CHANGELOG.md
index f17885b4..422ddd3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [1.25.3](https://github.com/rudderlabs/rudder-sdk-ios/compare/v1.25.2...v1.25.3) (2024-03-11)
+
+
+### Bug Fixes
+
+* create mutable copy of JSON serialisation object ([#479](https://github.com/rudderlabs/rudder-sdk-ios/issues/479)) ([95704e1](https://github.com/rudderlabs/rudder-sdk-ios/commit/95704e10d4dfc28d854178befe7e073464bf1ac1))
+
 ### [1.25.2](https://github.com/rudderlabs/rudder-sdk-ios/compare/v1.25.1...v1.25.2) (2024-02-20)
 
 
diff --git a/README.md b/README.md
index 1c9bd610..ada3d2d6 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 <p align="center">
   <a href="https://cocoapods.org/pods/Rudder">
-    <img src="https://img.shields.io/static/v1?label=pod&message=v1.25.2&color=blue&style=flat">
+    <img src="https://img.shields.io/static/v1?label=pod&message=v1.25.3&color=blue&style=flat">
     </a>
 </p>
 
@@ -39,7 +39,7 @@ The iOS SDK is available through [**CocoaPods**](https://cocoapods.org), [**Cart
 To install the SDK, simply add the following line to your Podfile:
 
 ```xcode
-pod 'Rudder', '1.25.2'
+pod 'Rudder', '1.25.3'
 ```
 
 ### Carthage
@@ -47,7 +47,7 @@ pod 'Rudder', '1.25.2'
 For Carthage support, add the following line to your `Cartfile`:
 
 ```xcode
-github "rudderlabs/rudder-sdk-ios" "v1.25.2"
+github "rudderlabs/rudder-sdk-ios" "v1.25.3"
 ```
 
 > Remember to include the following code in all `.m` and `.h` files where you want to refer to or use the RudderStack SDK classes, as shown:
@@ -71,7 +71,7 @@ You can also add the RudderStack iOS SDK via Swift Package Mangaer, via one of t
 
 * Enter the package repository (`git@github.com:rudderlabs/rudder-sdk-ios.git`) in the search bar.
 
-* In **Dependency Rule**, select **Up to Next Major Version** and enter `1.25.2` as the value, as shown:
+* In **Dependency Rule**, select **Up to Next Major Version** and enter `1.25.3` as the value, as shown:
 
 ![Setting dependency](https://user-images.githubusercontent.com/59817155/145574696-8c849749-13e0-40d5-aacb-3fccb5c8e67d.png)
 
@@ -99,7 +99,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
-        .package(url: "git@github.com:rudderlabs/rudder-sdk-ios.git", from: "1.25.2")
+        .package(url: "git@github.com:rudderlabs/rudder-sdk-ios.git", from: "1.25.3")
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
diff --git a/Sources/Classes/Headers/RSVersion.h b/Sources/Classes/Headers/RSVersion.h
index 876c4c24..d721f147 100644
--- a/Sources/Classes/Headers/RSVersion.h
+++ b/Sources/Classes/Headers/RSVersion.h
@@ -8,6 +8,6 @@
 #ifndef RSVersion_h
 #define RSVersion_h
 
-NSString *const SDK_VERSION = @"1.25.2";
+NSString *const SDK_VERSION = @"1.25.3";
 
 #endif /* RSVersion_h */
diff --git a/package.json b/package.json
index 1172b58d..c8e4d125 100644
--- a/package.json
+++ b/package.json
@@ -1,4 +1,4 @@
 {
-    "version": "1.25.2",
+    "version": "1.25.3",
     "description": "Rudder is a platform for collecting, storing and routing customer event data to dozens of tools"
 }
diff --git a/sonar-project.properties b/sonar-project.properties
index 042f9a2f..9943a6e2 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -6,7 +6,7 @@ sonar.qualitygate.wait=false
 sonar.projectKey=rudderlabs_rudder-sdk-ios
 sonar.organization=rudderlabs
 sonar.projectName=RudderStack iOS SDK
-sonar.projectVersion=1.25.2
+sonar.projectVersion=1.25.3
 
 # C/C++/Objective-C related details
 # sonar.cfamily.compile-commands=compile_commands.json