diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 00000000..618e1aed
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,22 @@
+# Changelog
+
+All notable changes to the Azure Load Testing GitHub Action will be documented in this file.
+
+## [v1] - 2025-11
+
+### Recommended Version
+**v1 is the recommended version for all users.**
+
+### Changed
+- Updated data plane token scope from `https://loadtest.azure-dev.com` to `https://cnt-prod.loadtesting.azure.com` for production Azure Load Testing service.
+
+## [v1] - Previous Release
+
+### Features
+- Initial release of Azure Load Testing GitHub Action
+- Support for running load tests with Azure Load Testing service
+- Integration with GitHub Actions workflows
+- Support for JMeter scripts, Locust tests, and URL-based tests
+- Pass/Fail criteria configuration
+- Secret and environment variable injection
+- Multi-region testing support
diff --git a/README.md b/README.md
index ed104edf..ffc27884 100644
--- a/README.md
+++ b/README.md
@@ -122,7 +122,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout GitHub Actions 
-        uses: actions/checkout@v2
+        uses: actions/checkout@v1
           
       - name: Login to Azure
         uses: azure/login@v1
@@ -138,6 +138,9 @@ jobs:
           resourceGroup: 'loadTestResourceGroup'
 ```
 
+## Changelog
+
+
 ## Contributing
 
 This project welcomes contributions and suggestions.  Most contributions require you to agree to a
diff --git a/lib/Constants/EnvironmentConstants.js b/lib/Constants/EnvironmentConstants.js
index e5779f87..a679bcde 100644
--- a/lib/Constants/EnvironmentConstants.js
+++ b/lib/Constants/EnvironmentConstants.js
@@ -4,7 +4,7 @@ exports.AzureUSGovernmentCloud = exports.AzurePublicCloud = void 0;
 exports.AzurePublicCloud = {
     cloudName: "AzureCloud",
     armTokenScope: "https://management.core.windows.net",
-    dataPlaneTokenScope: "https://loadtest.azure-dev.com",
+    dataPlaneTokenScope: "https://cnt-prod.loadtesting.azure.com",
     armEndpoint: "https://management.azure.com",
 };
 exports.AzureUSGovernmentCloud = {
diff --git a/src/Constants/EnvironmentConstants.ts b/src/Constants/EnvironmentConstants.ts
index 7a7e33bf..3c3c0892 100644
--- a/src/Constants/EnvironmentConstants.ts
+++ b/src/Constants/EnvironmentConstants.ts
@@ -8,7 +8,7 @@ type EnvironmentSettings = {
 export const AzurePublicCloud: EnvironmentSettings = {
     cloudName: "AzureCloud",
     armTokenScope: "https://management.core.windows.net",
-    dataPlaneTokenScope: "https://loadtest.azure-dev.com",
+    dataPlaneTokenScope: "https://cnt-prod.loadtesting.azure.com",
     armEndpoint: "https://management.azure.com",
 }