diff --git a/Adafruit_SPIDevice.h b/Adafruit_SPIDevice.h
index 1170e21..921030a 100644
--- a/Adafruit_SPIDevice.h
+++ b/Adafruit_SPIDevice.h
@@ -1,3 +1,5 @@
+#include <Arduino.h>
+
 #if !defined(SPI_INTERFACES_COUNT) ||                                          \
     (defined(SPI_INTERFACES_COUNT) && (SPI_INTERFACES_COUNT > 0))
 
diff --git a/README.md b/README.md
index 771cd13..3fc8a1f 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Adafruit Bus IO Library [![Build Status](https://github.com/adafruit/Adafruit_BusIO/workflows/Arduino%20Library%20CI/badge.svg)](https://github.com/adafruit/Adafruit_BusIO/actions)
 
 
-This is a helper libary to abstract away I2C & SPI transactions and registers 
+This is a helper libary to abstract away I2C & SPI transactions and registers
 
 Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!
 
diff --git a/library.properties b/library.properties
index 9203197..4e726a3 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Adafruit BusIO
-version=1.9.2
+version=1.9.3
 author=Adafruit
 maintainer=Adafruit <info@adafruit.com>
 sentence=This is a library for abstracting away UART, I2C and SPI interfacing