diff --git a/registry.txt b/registry.txt
index afb0a958..e6fff245 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2558,3 +2558,4 @@ https://github.com/Lynxmotion/LSS_Library_Arduino.git|Contributed|Lynxmotion Sma
 https://github.com/ImpulseAdventure/Waveshare_ILI9486.git|Contributed|Waveshare ILI9486
 https://github.com/elC0mpa/EnergyMeter.git|Contributed|EnergyMeter
 https://github.com/ravelab/JsonLogger.git|Contributed|JsonLogger
+https://github.com/rfetick/Kalman.git|Contributed|Kalman