diff --git a/registry.txt b/registry.txt
index 723a91a5..4846711e 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4436,3 +4436,4 @@ https://github.com/nitz/Cie1931.git|Contributed|CIE1931 Brightness Ramp
 https://github.com/domiluci/LiquidCrystal_NKC.git|Contributed|LiquidCrystal NKC
 https://github.com/sparkfun/SparkFun_smol_Power_Board_Arduino_Library.git|Contributed|SparkFun smol Power Board Arduino Library
 https://github.com/XiloXL/Powerbaas.git|Contributed|Powerbaas
+https://github.com/heiloworodl/StepMotor4windings.git|Contributed|StepMotor4windings