diff --git a/repositories.txt b/repositories.txt
index ddef3cd9..3b2fe1ea 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5935,4 +5935,5 @@ https://github.com/ripred/CompileTime
 https://github.com/eigen-value/Transform
 https://github.com/DavidArmstrong/SiderealObjects
 https://github.com/epsilonrt/RadioHead.git#mikem
+https://github.com/epsilonrt/modbus-radio
 https://github.com/hexaedron/PostNeoSWSerial