diff --git a/platformio.ini b/platformio.ini
index 75d41b9..0104029 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -16,7 +16,7 @@ lib_deps =
 	knolleary/PubSubClient@^2.8
 	mikalhart/TinyGPSPlus @ 1.0.2
 	shaggydog/OneButton @ 1.5.0
-	jgromes/RadioLib @ 5.1.2
+	jgromes/RadioLib @ 5.6.0
 check_tool = cppcheck
 check_flags =
 	cppcheck: --suppress=*:*.pio\* --inline-suppr -DCPPCHECK --force lib -ilib/TimeLib -ilib/LoRa -ilib/NTPClient