diff --git a/CHANGELOG.md b/CHANGELOG.md
index e311d55..0490977 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.5.0](https://github.com/kyle-seongwoo-jun/homebridge-navien-smart/compare/v1.4.0...v1.5.0) (2024-02-22)
+
+
+### Features
+
+* add lock functionality to ElectricMat device and Navien API ([10fb265](https://github.com/kyle-seongwoo-jun/homebridge-navien-smart/commit/10fb2656e65fb33b1cb9b50b9b21bf5d4d2e219f))
+
 ## [1.4.0](https://github.com/kyle-seongwoo-jun/homebridge-navien-smart/compare/v1.3.0...v1.4.0) (2024-02-21)
 
 
diff --git a/package-lock.json b/package-lock.json
index d7da577..81f9579 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "homebridge-navien-smart",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "homebridge-navien-smart",
-      "version": "1.4.0",
+      "version": "1.5.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@aws-amplify/pubsub": "^6.0.12",
diff --git a/package.json b/package.json
index 601b447..a0b0151 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "private": false,
   "displayName": "Navien Smart",
   "name": "homebridge-navien-smart",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "description": "Homebridge plugin to control Navien devices via Navien Smart",
   "license": "Apache-2.0",
   "repository": {