diff --git a/Software-dependencies.md b/Software-dependencies.md
index d7c71c6..c581825 100644
--- a/Software-dependencies.md
+++ b/Software-dependencies.md
@@ -1,5 +1,6 @@
 Install via libraries:
 - Arduino ESP32 library: https://github.com/espressif/arduino-esp32
 - LoRa Arduino library: https://github.com/sandeepmistry/arduino-LoRa
+  - or RadioLib library (use github master version): https://github.com/jgromes/RadioLib
 - Arduino Timer library: https://github.com/contrem/arduino-timer
 - CircularBuffer library: https://github.com/rlogiacco/CircularBuffer