diff --git a/Contributors.md b/Contributors.md
index ae24890..bf1e64d 100644
--- a/Contributors.md
+++ b/Contributors.md
@@ -18,5 +18,6 @@ These are the active contributors of this project that you may contact if there
 - [ElectricRCAircraftGuy](https://github.com/electricrcaircraftguy): Active Contributor
 - [philipphenkel](https://github.com/philipphenkel): Active Contributor
 - [MCUdude](https://github.com/MCUdude): Contributor
+- [marcmerlin](https://github.com/marcmerlin): Contributor (ESP32 port)
 
 Note: This list is being updated constantly so please let [z3t0](https://github.com/z3t0) know if you have been missed.
diff --git a/README.md b/README.md
index 2ec302c..8ecf112 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ Tutorials and more information will be made available on [the official homepage]
 - ATmega8535, 16, 32, 164, 324, 644, 1284,
 - ATmega64, 128
 - ATtiny 84 / 85
+- ESP32 (receive only)
 
 We are open to suggestions for adding support to new boards, however we highly recommend you contact your supplier first and ask them to provide support from their side.
 
diff --git a/changelog.md b/changelog.md
index 0702ddc..dc01c98 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+## 2.2.4 - 2017/03/31
+- Added ESP32 IR receive support [PR #427](https://github.com/z3t0/Arduino-IRremote/pull/425)
+
 ## 2.2.3 - 2017/03/27
 - Fix calculation of pause length in LEGO PF protocol [PR #427](https://github.com/z3t0/Arduino-IRremote/pull/427)
 
diff --git a/library.json b/library.json
index de93d16..4f29e7b 100644
--- a/library.json
+++ b/library.json
@@ -7,7 +7,7 @@
     "type": "git",
     "url": "https://github.com/z3t0/Arduino-IRremote.git"
   },
-  "version": "2.2.3",
+  "version": "2.2.4",
   "frameworks": "arduino",
   "platforms": "atmelavr",
   "authors" :