diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4977bae..325def2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [4.1.0]
+
+#### Added
+
+- Add support for sending [transactional push messages](https://customer.io/docs/transactional-api/#transactional-push-notifications) ([#141](https://github.com/customerio/customerio-node/pull/141))
+
 ## [4.0.0]
 
 #### Changed
diff --git a/lib/version.ts b/lib/version.ts
index 52199be..0607747 100644
--- a/lib/version.ts
+++ b/lib/version.ts
@@ -1 +1 @@
-export const version = '4.0.0';
+export const version = '4.1.0';
diff --git a/package-lock.json b/package-lock.json
index ee8e4de..84cc90e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "customerio-node",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "customerio-node",
-      "version": "4.0.0",
+      "version": "4.1.0",
       "license": "MIT",
       "devDependencies": {
         "@types/node": "^17.0.36",
diff --git a/package.json b/package.json
index c99c5a6..6878892 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "customerio-node",
   "description": "A node client for the Customer.io event API. http://customer.io",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "author": "Customer.io (https://customer.io)",
   "contributors": [
     "Alvin Crespo (https://github.com/alvincrespo)",