diff --git a/registry.txt b/registry.txt
index 609f48e4..6ec07b8b 100644
--- a/registry.txt
+++ b/registry.txt
@@ -6035,3 +6035,4 @@ https://github.com/m5stack/M5Unit-DigiClock.git|Contributed|M5Unit-DigiClock
 https://github.com/epsilonrt/RadioHead.git|Contributed|RadioHead
 https://github.com/sakura-internet/sipf-arduino-client.git|Contributed|sipf-arduino-client
 https://github.com/hexaedron/PostNeoSWSerial.git|Contributed|PostNeoSWSerial
+https://github.com/epsilonrt/modbus-radio.git|Contributed|Modbus-Radio