diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ef796c..1885115 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## [4.9.0] - 2026-08-14
+
+## What's Changed
+* MT-22401: Add Email Campaigns API by @Rabsztok in https://github.com/mailtrap/mailtrap-nodejs/pull/148
+
+
+**Full Changelog**: https://github.com/mailtrap/mailtrap-nodejs/compare/v4.8.0...v4.9.0
+
 ## [4.8.0] - 2026-07-24
 
 ## What's Changed
diff --git a/package.json b/package.json
index 53149a0..ccdf275 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mailtrap",
   "description": "Official mailtrap.io API client",
-  "version": "4.8.0",
+  "version": "4.9.0",
   "author": "Railsware Products Studio LLC",
   "dependencies": {
     "axios": ">=0.27",