diff --git a/registry.txt b/registry.txt
index 3539edff..4334e4c7 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2793,3 +2793,4 @@ https://github.com/Andy4495/LED744511.git|Contributed|LED744511
 https://github.com/Andy4495/ICM7218.git|Contributed|ICM7218
 https://github.com/Andy4495/TLC591x.git|Contributed|TLC591x
 https://github.com/neonode-inc/zforce-arduino.git|Contributed|zForce Air Library
+https://github.com/MHotchin/BalBoaSpa.git|Contributed|Balboa Spa communications