diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c59970..b633978 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Change Log
 
+## [4.12.0](https://github.com/plivo/plivo-node/releases/tag/v4.11.0)(2020-10-30)
+-  Add Typescript support.
 ## [4.11.0](https://github.com/plivo/plivo-node/releases/tag/v4.11.0)(2020-10-30)
 -  Change lookup API endpoint and response.
 
diff --git a/package.json b/package.json
index a3ef871..2c12110 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "plivo",
-  "version": "4.11.0",
+  "version": "4.12.0",
   "description": "A Node.js SDK to make voice calls and send SMS using Plivo and to generate Plivo XML",
   "homepage": "https://github.com/plivo/plivo-node",
   "files": [