diff --git a/platformio.ini b/platformio.ini
index 2a34592..86da502 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -33,6 +33,7 @@ lib_deps =
 	${env.lib_deps}
 	DIO2
 	arduino-libraries/Ethernet
+	SPI
 
 [env:mega328]
 platform = atmelavr