diff --git a/registry.txt b/registry.txt
index 4ce57dad..9e41ba10 100644
--- a/registry.txt
+++ b/registry.txt
@@ -6055,3 +6055,4 @@ https://github.com/mcci-catena/SoftwareSerial.git|Contributed|MCCI SofwareSerial
 https://github.com/koendv/cst816t.git|Contributed|cst816t
 https://github.com/RobTillaart/TLC5947.git|Contributed|TLC5947
 https://github.com/bitbank2/bb_rtc.git|Contributed|bb_rtc
+https://github.com/ripred/Smooth.git|Contributed|Smooth