diff --git a/registry.txt b/registry.txt
index 2c10ec9a..19402e7e 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3948,3 +3948,4 @@ https://github.com/joshua-8/Derivs_Limiter.git|Contributed|Derivs_Limiter
 https://github.com/kchemorion/MBEDSpeech.git|Contributed|MBEDSpeech
 https://github.com/KravitzLabDevices/FORCE_library.git|Contributed|Force
 https://github.com/siktec-lab/SIK-Rotary-Encoder.git|Contributed|SIKTEC_Rotary
+https://github.com/RobTillaart/ShiftOutSlow.git|Contributed|ShiftOutSlow