diff --git a/registry.txt b/registry.txt
index fe602146..4ebb2449 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4862,3 +4862,4 @@ https://github.com/Kineis/KIM_Arduino_Library.git|Contributed|KIM Arduino Librar
 https://github.com/sparkfun/SparkFun_Qwiic_OLED_Arduino_Library.git|Contributed|SparkFun Qwiic OLED Graphics Library
 https://github.com/n-wach/camino.git|Contributed|Camino
 https://github.com/PowerBroker2/navduino.git|Contributed|navduino
+https://github.com/nap-software/libnapc-arduino-nightly-releases.git|Contributed|libnapc-nightly