diff --git a/README.md b/README.md
index 84049f5..54328a8 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 This repository contains the MCCI® ADK, a version of the MCCI XDK adapted for use on Catena®-like Arduinos by [MCCI Corporation](http://www.mcci.com).
 
-[![GitHub release](https://img.shields.io/github/release/mcci-catena/Catena-mcciadk.svg)](https://github.com/mcci-catena/arduino-lorawan/releases/latest) [![GitHub commits](https://img.shields.io/github/commits-since/mcci-catena/Catena-mcciadk/latest.svg)](https://github.com/mcci-catena/Catena-mcciadk/compare/v0.2.1...master)
+[![GitHub release](https://img.shields.io/github/release/mcci-catena/Catena-mcciadk.svg)](https://github.com/mcci-catena/arduino-lorawan/releases/latest) [![GitHub commits](https://img.shields.io/github/commits-since/mcci-catena/Catena-mcciadk/latest.svg)](https://github.com/mcci-catena/Catena-mcciadk/compare/v0.2.2...master)
 [![Build Status](https://travis-ci.com/mcci-catena/Catena-mcciadk.svg?branch=master)](https://travis-ci.com/mcci-catena/Catena-mcciadk)
 
 **Contents:**
@@ -159,7 +159,7 @@ MCCI uses this library regularly on ARM Cortex M0 platforms. Two of these platfo
 
 ## Release History
 
-- HEAD (v0.2.1.10) has improvements for ESP32 compilation, and improves CI testing.
+- v0.2.2 is a minor release. It has improvements for ESP32 compilation, and improves CI testing.
 
 - v0.2.1 is a minor release. It adds `MCCIADK_VERSION` and support macros, so that the Catena Arduino Platform can display the version of the libraries for `system version`.
 
diff --git a/VERSION.txt b/VERSION.txt
index 22c08f7..f0cfd3b 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-v0.2.1
+v0.2.2
diff --git a/library.properties b/library.properties
index 99c7cf8..a089cd9 100644
--- a/library.properties
+++ b/library.properties
@@ -1,8 +1,8 @@
 name=MCCI Arduino Development Kit ADK
-version=0.2.1
+version=0.2.2
 author=Terry Moore, ChaeHee Won
 maintainer=MCCI Corporation <techsupport@mcci.com>
-sentence=The MCCI XDK ported to Arduino.
+sentence=The MCCI XDK ported to Arduino ("Arduino Development Kit").
 paragraph=The MCCI XDK is a portability toolkit, allowing for C code to be reused in multiple embedded environments. The ADK is a stripped-down version for Arduino and other deeply-embedded environments.
 category=Other
 url=https://github.com/mcci-catena/Catena-mcciadk
diff --git a/src/mcciadk_env.h b/src/mcciadk_env.h
index 6d122bd..0e867f5 100644
--- a/src/mcciadk_env.h
+++ b/src/mcciadk_env.h
@@ -25,7 +25,7 @@ Copyright notice:
 #define MCCIADK_VERSION_CALC(major, minor, patch, local)	\
 	(((major) << 24u) | ((minor) << 16u) | ((patch) << 8u) | (local))
 
-#define	MCCIADK_VERSION	MCCIADK_VERSION_CALC(0, 2, 1, 10)	/* v0.2.1.10 */
+#define	MCCIADK_VERSION	MCCIADK_VERSION_CALC(0, 2, 2, 0)	/* v0.2.2.0 */
 
 #define	MCCIADK_VERSION_GET_MAJOR(v)	\
 	(((v) >> 24u) & 0xFFu)