diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a4cb3a..524d856 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 1.2.1
+
+### ✨ Features and improvements
+
+- Extended map authentication support to handle dual-stack endpoints [#52](https://github.com/aws-geospatial/amazon-location-utilities-auth-helper-js/pull/52)
+
 # 1.2.0
 
 ### ✨ Features and improvements
diff --git a/package-lock.json b/package-lock.json
index 473257c..e7899d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@aws/amazon-location-utilities-auth-helper",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@aws/amazon-location-utilities-auth-helper",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@aws-crypto/sha256-js": "^5.2.0",
diff --git a/package.json b/package.json
index f5b8d44..12f9b51 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@aws/amazon-location-utilities-auth-helper",
   "description": "Amazon Location Utilities - Authentication Helper for JavaScript",
   "license": "Apache-2.0",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "keywords": [],
   "author": {
     "name": "Amazon Web Services",