diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c9ae0d9..f694a020 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,24 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## Unreleased
 
+## [1.2.0] - 2019-02-16
+## [1.2.0-arduino] - 2019-02-16
+
+### Added
+- Arduino CircleCI config
+
+### Changed
+- updated `keywords.txt`.
+- updated `./library.json` package export settings.
+- removed unnecessary files:
+  - `./appveyor.yml`.
+  - `./CMakeSettings.json`.
+  - submodule from `cmake_example`.
+- removed `./src/stl` library.
+- moved `./docs` to `./extras` in arduino builds.
+- automated `ARDUINO_IDE.sh` script.
+- updated `ARDUINO_IDE.sh` script to reflect `lib/` changes.
+
 ## [1.1.0] - 2019-02-07
 
 ### Added
diff --git a/library.json b/library.json
index d3b99749..27f9fddc 100644
--- a/library.json
+++ b/library.json
@@ -7,7 +7,7 @@
     "type": "git",
     "url": "https://github.com/ArkEcosystem/Cpp-Client.git"
   },
-  "version": "1.1.0",
+  "version": "1.2.0",
   "authors": [
     {
       "name": "Ark Ecosystem",
@@ -21,6 +21,8 @@
     "include": [
       "src/*",
       "examples/*",
+      "docs/*",
+      "extras/*",
       "*.md",
       "*.json",
       "*.properties",
diff --git a/library.properties b/library.properties
index f23c49ea..1c342a6c 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Ark-Cpp-Client
-version=1.1.0
+version=1.2.0
 author=Ark Ecosystem
 maintainer=Ark Ecosystem
 sentence=A simple API client implementation in C++ for the ARK Blockchain.
diff --git a/src/include/cpp-client/arkClient.h b/src/include/cpp-client/arkClient.h
index eb43e354..3ff8c633 100644
--- a/src/include/cpp-client/arkClient.h
+++ b/src/include/cpp-client/arkClient.h
@@ -10,6 +10,7 @@
 #ifndef ARKCLIENT_H
 #define ARKCLIENT_H
 
+#include "helpers/client_helpers.h"
 #include "connection/connection.h"
 
 #endif