diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d0b2f9d8..467ff74f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [4.2.4](https://github.com/IBM/node-sdk-core/compare/v4.2.3...v4.2.4) (2024-02-28)
+
+
+### Bug Fixes
+
+* adjust IAM token expiration time ([#268](https://github.com/IBM/node-sdk-core/issues/268)) ([9b975e0](https://github.com/IBM/node-sdk-core/commit/9b975e0da75d46ea29095eebeda5d0b079f058c6))
+
 ## [4.2.3](https://github.com/IBM/node-sdk-core/compare/v4.2.2...v4.2.3) (2024-02-01)
 
 
diff --git a/package-lock.json b/package-lock.json
index fdeed475c..98170125f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ibm-cloud-sdk-core",
-  "version": "4.2.3",
+  "version": "4.2.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "ibm-cloud-sdk-core",
-      "version": "4.2.3",
+      "version": "4.2.4",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/debug": "^4.1.12",
diff --git a/package.json b/package.json
index 6478c4c75..9990037d5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ibm-cloud-sdk-core",
-  "version": "4.2.3",
+  "version": "4.2.4",
   "description": "Core functionality to support SDKs generated with IBM's OpenAPI SDK Generator.",
   "main": "./index.js",
   "typings": "./es/index.d.ts",