diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06304340..4f8e52b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
 # Change Log
+## 1.4.0 - 2018-09-20
+### Changed
+* Update CSharp module debug configuration to support netcoreapp2.1 target framework
+* Update Python module debug configuration to support released python debugger
+* Fix some bugs
+
 ## 1.3.0 - 2018-08-30
 ### Added
 * Support Java module type in add module
diff --git a/README.md b/README.md
index 0e2896a1..65cb6028 100644
--- a/README.md
+++ b/README.md
@@ -12,9 +12,10 @@
 - Manage IoT Edge devices and modules in IoT Hub (with [Azure IoT Toolkit](https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.azure-iot-toolkit))
 - Deploy IoT solutions to IoT Edge devices
 
-## What's New (v1.3.0)
-* Support Java module type in add module
-* Support debug Python module (amd64)
+## What's New (v1.4.0)
+* Update CSharp module debug configuration to support netcoreapp2.1 target framework
+* Update Python module debug configuration to support released python debugger
+* Fix some bugs
 
 ## Known Issues
 * Cannot run C and Python module in IoT Edge Simulator
diff --git a/package.json b/package.json
index af4139b8..a85f4ebb 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "azure-iot-edge",
   "displayName": "Azure IoT Edge",
   "description": "Develop, deploy, debug, and manage your IoT Edge solution",
-  "version": "1.4.0-rc2",
+  "version": "1.4.0",
   "publisher": "vsciot-vscode",
   "aiKey": "95b20d64-f54f-4de3-8ad5-165a75a6c6fe",
   "icon": "logo.png",