diff --git a/CHANGELOG.md b/CHANGELOG.md
index a54ee3c..2ff9eb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [0.2.7](https://github.com/iotexproject/arduino-sdk/compare/v0.2.5...v0.2.7) (2022-08-01)
+
+
+### Bug Fixes
+
+* replace hardcoded serial print with debug macro ([ab887f0](https://github.com/iotexproject/arduino-sdk/commit/ab887f07fa564d41b63a5a56d53ee734015fbabe))
+
 ### [0.2.6](https://github.com/iotexproject/arduino-sdk/compare/v0.2.5...v0.2.6) (2022-07-30)
 
 
diff --git a/package.json b/package.json
index d056441..e082ef5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iotex-cpp-blockchain-client",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "description": "A simple C++ API client implementation in for the IoTeX Blockchain",
   "main": "",
   "directories": {