diff --git a/registry.txt b/registry.txt
index 0fed29e1..f0fd1bbf 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5141,3 +5141,4 @@ https://github.com/microchip-pic-avr-solutions/avr-iot-cellular-arduino-library.
 https://github.com/m5stack/M5Hat-8Servos.git|Contributed|M5Hat-8Servos
 https://github.com/m5stack/M5-RoverC.git|Contributed|M5-RoverC
 https://github.com/sparkfun/SparkFun_Qwiic_Universal_Auto-Detect.git|Contributed|SparkFun Qwiic Universal Auto-Detect
+https://github.com/RobTillaart/SparseMatrix.git|Contributed|SparseMatrix