diff --git a/README.md b/README.md
index df6603de..53df6d24 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Arduino-LMIC library ("MCCI LoRaWAN LMIC Library")
 
-[![GitHub release](https://img.shields.io/github/release/mcci-catena/arduino-lmic.svg)](https://github.com/mcci-catena/arduino-lmic/releases/latest) [![GitHub commits](https://img.shields.io/github/commits-since/mcci-catena/arduino-lmic/latest.svg)](https://github.com/mcci-catena/arduino-lmic/compare/v5.0.0...master) [![Arduino CI](https://img.shields.io/github/actions/workflow/status/mcci-catena/arduino-lmic/ci-arduinocli.yml?branch-master)](https://github.com/mcci-catena/arduino-lmic/actions)
+[![GitHub release](https://img.shields.io/github/release/mcci-catena/arduino-lmic.svg)](https://github.com/mcci-catena/arduino-lmic/releases/latest) [![GitHub commits](https://img.shields.io/github/commits-since/mcci-catena/arduino-lmic/latest.svg)](https://github.com/mcci-catena/arduino-lmic/compare/v5.0.1...master) [![Arduino CI](https://img.shields.io/github/actions/workflow/status/mcci-catena/arduino-lmic/ci-arduinocli.yml?branch-master)](https://github.com/mcci-catena/arduino-lmic/actions)
+<!-- lmic document is v5.0.0, don't forget to update -->
 
 **Contents:**
 
@@ -999,7 +1000,7 @@ function uflt12f(rawUflt12)
 
 ## Release History
 
-- HEAD has the following changes.
+- v5.0.1 has the following changes.
 
   - Work around different behavior for `int32_t` wrap in newer GCC versions. ([#968](https://github.com/mcci-catena/arduino-lmic/issues/968), `v5.0.1-pre1`)
 
@@ -1031,7 +1032,7 @@ function uflt12f(rawUflt12)
   - Fix additional warnings on non-ARM platforms ([#791](https://github.com/mcci-catena/arduino-lmic/issues/791), thanks [@d-a-v](https://github.com/d-a-v)).
   - Allow application to set the value to be used in `DeviceStatusAns` MAC messages ([#576](https://github.com/mcci-catena/arduino-lmic/issues/576) and [#560](https://github.com/mcci-catena/arduino-lmic/issues/560), thanks to [@altishchenko](https://github.com/altishchenko)).
   - Minor adjustments to the compliance sketch ([#800](https://github.com/mcci-catena/arduino-lmic/issues/576)).
-  - Update the LMIC reference manual to `LMIC-v5.0.0.pdf`.
+  - Update the LMIC reference manual to `LMIC-v4.1.0.pdf`.
 
 - v4.0 is a major release; changes are significant enough to be "likely breaking". It includes the following changes.
 
diff --git a/library.properties b/library.properties
index 821e6827..57cb8130 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=MCCI LoRaWAN LMIC library
-version=5.0.0
+version=5.0.1
 author=IBM, Matthijs Kooijman, Terry Moore, ChaeHee Won, Frank Rose, Tristan Webber
 maintainer=Terry Moore <tmm@mcci.com>
 sentence=Arduino port of the LMIC (LoraWAN-MAC-in-C) framework provided by IBM.
diff --git a/src/lmic/lmic.h b/src/lmic/lmic.h
index 69a5e742..e79f74ee 100644
--- a/src/lmic/lmic.h
+++ b/src/lmic/lmic.h
@@ -106,7 +106,7 @@ extern "C"{
 	((((major)*UINT32_C(1)) << 24) | (((minor)*UINT32_C(1)) << 16) | (((patch)*UINT32_C(1)) << 8) | (((local)*UINT32_C(1)) << 0))
 
 #define	ARDUINO_LMIC_VERSION    \
-    ARDUINO_LMIC_VERSION_CALC(5, 0, 1, 1)  /* 5.0.1-pre1 */
+    ARDUINO_LMIC_VERSION_CALC(5, 0, 1, 0)  /* 5.0.1 */
 
 #define	ARDUINO_LMIC_VERSION_GET_MAJOR(v)	\
 	((((v)*UINT32_C(1)) >> 24u) & 0xFFu)