diff --git a/registry.txt b/registry.txt
index aa3b5707..e703d22c 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4127,3 +4127,4 @@ https://github.com/arduino-libraries/Arduino_PortentaBreakoutLibrary.git|Arduino
 https://github.com/sparkfun/SparkFun_SCD4x_Arduino_Library.git|Contributed|SparkFun SCD4x Arduino Library
 https://github.com/Silver-Fang/TimersOneForAll.git|Contributed|TimersOneForAll
 https://github.com/Rupakpoddar/ESP8266Firebase.git|Contributed|ESP8266 Firebase
+https://github.com/dmadison/CtrlUtil.git|Contributed|Controller Utilities