diff --git a/registry.txt b/registry.txt
index a19774cd..194636cb 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2195,3 +2195,4 @@ https://github.com/budryerson/TFMini-Plus.git|Contributed|TFMPlus
 https://github.com/offcircuit/SDHT.git|Contributed|SDHT
 https://github.com/janthefischer/SerialVariable.git|Contributed|SerialVariable
 https://github.com/rootfrogs/Arduino-GetInTouch-library.git|Contributed|GetInTouch
+https://github.com/funkyfisch/arduino-knock-detector.git|Contributed|Knock Detector