diff --git a/libraries/MS5611_SPI/CHANGELOG.md b/libraries/MS5611_SPI/CHANGELOG.md
index 61b3487e..c8e327c8 100644
--- a/libraries/MS5611_SPI/CHANGELOG.md
+++ b/libraries/MS5611_SPI/CHANGELOG.md
@@ -6,11 +6,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.3.1] - 2024-06-03
+- add support for ARDUINO_ARCH_MBED
+
 ## [0.3.0] - 2024-01-19
 - fix #11, improve SPI dependency
   - solves #6 in a better way.
 
-
+----
 
 ## [0.2.0] - 2023-11-30
 - refactor constructor interface - breaking changes.
diff --git a/libraries/MS5611_SPI/MS5611_SPI.cpp b/libraries/MS5611_SPI/MS5611_SPI.cpp
index f5a44392..044886b2 100644
--- a/libraries/MS5611_SPI/MS5611_SPI.cpp
+++ b/libraries/MS5611_SPI/MS5611_SPI.cpp
@@ -1,7 +1,7 @@
 //
 //    FILE: MS5611_SPI.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.3.0
+// VERSION: 0.3.1
 // PURPOSE: MS5611 (SPI) Temperature & Pressure library for Arduino
 //     URL: https://github.com/RobTillaart/MS5611_SPI
 //
diff --git a/libraries/MS5611_SPI/MS5611_SPI.h b/libraries/MS5611_SPI/MS5611_SPI.h
index 613b8fd0..55ec343e 100644
--- a/libraries/MS5611_SPI/MS5611_SPI.h
+++ b/libraries/MS5611_SPI/MS5611_SPI.h
@@ -2,7 +2,7 @@
 //
 //    FILE: MS5611_SPI.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.3.0
+// VERSION: 0.3.1
 // PURPOSE: S5611 (SPI) Temperature & Pressure library for Arduino
 //     URL: https://github.com/RobTillaart/MS5611_SPI
 
@@ -30,10 +30,13 @@
 //  CS to GND  ==>  0x77
 
 
-#define MS5611_SPI_LIB_VERSION                (F("0.3.0 EXPERIMENTAL"))
+#define MS5611_SPI_LIB_VERSION                (F("0.3.1 EXPERIMENTAL"))
 
 #ifndef __SPI_CLASS__
-  #if defined(ARDUINO_ARCH_RP2040)
+  //  MBED must be tested before RP2040
+  #if defined(ARDUINO_ARCH_MBED)
+  #define __SPI_CLASS__   SPIClass
+  #elif defined(ARDUINO_ARCH_RP2040)
   #define __SPI_CLASS__   SPIClassRP2040
   #else
   #define __SPI_CLASS__   SPIClass
diff --git a/libraries/MS5611_SPI/README.md b/libraries/MS5611_SPI/README.md
index 10c3c595..5e8e2db6 100644
--- a/libraries/MS5611_SPI/README.md
+++ b/libraries/MS5611_SPI/README.md
@@ -25,6 +25,9 @@ This library only implements the SPI interface.
 It is based upon the 0.3.6 version of the I2C library, 
 see - https://github.com/RobTillaart/MS5611
 
+If you know a cause or better a solution to the self heating effect, 
+please let me know (open an issue).
+
 
 #### 0.3.0 Breaking change
 
@@ -247,7 +250,7 @@ The meaning of the manufacturer and serialCode value is unclear.
 
 #### 2nd order pressure compensation
 
-- **setCompensation(bool flag = true)** to enable/desiable the 2nd order compensation. 
+- **setCompensation(bool flag = true)** to enable/disable the 2nd order compensation. 
 The default = true. 
 Disabling the compensation will be slightly faster but you loose precision.
 - **getCompensation()** returns flag set above.
diff --git a/libraries/MS5611_SPI/library.json b/libraries/MS5611_SPI/library.json
index 7108a327..ce68a968 100644
--- a/libraries/MS5611_SPI/library.json
+++ b/libraries/MS5611_SPI/library.json
@@ -15,7 +15,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/MS5611_SPI.git"
   },
-  "version": "0.3.0",
+  "version": "0.3.1",
   "license": "MIT",
   "frameworks": "*",
   "platforms": "*",
diff --git a/libraries/MS5611_SPI/library.properties b/libraries/MS5611_SPI/library.properties
index 0f6b3a3b..38ce6511 100644
--- a/libraries/MS5611_SPI/library.properties
+++ b/libraries/MS5611_SPI/library.properties
@@ -1,5 +1,5 @@
 name=MS5611_SPI
-version=0.3.0
+version=0.3.1
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=Arduino library (SPI) for MS5611 temperature and pressure sensor