diff --git a/registry.txt b/registry.txt
index 2e60c7e7..6b50f39d 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3495,3 +3495,4 @@ https://github.com/codecodecodec/CCC_Lib.git|Contributed|CodeCodeCodec Library
 https://github.com/BrushlessPower/SBUS2-Telemetry.git|Contributed|SBUS2
 https://github.com/KravitzLabDevices/FED3_library.git|Contributed|FED3
 https://github.com/jedp/PMSensor-HPMA115.git|Contributed|PMSensor-HPMA115
+https://github.com/mcci-catena/MCCI_Catena_SDP.git|Contributed|MCCI Catena SDP