diff --git a/registry.txt b/registry.txt
index b715d2cb..bc280064 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5111,3 +5111,4 @@ https://github.com/matthieuvigne/STS_servos.git|Contributed|STS_Servos
 https://github.com/TheNitek/NDEF.git|Contributed|NDEF_MFRC522
 https://github.com/lpaseen/ht16k33.git|Contributed|simple ht16k33 library
 https://github.com/TheNitek/CatGFX.git|Contributed|Cat GFX Thermal Printer Library
+https://github.com/sbouhoun/smoother.git|Contributed|smooth