diff --git a/registry.txt b/registry.txt
index dba46b5a..5bd25834 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1579,3 +1579,4 @@ https://github.com/Seeed-Studio/TFT_Touch_Shield_V1.git|Contributed|TFT Touch Sh
 https://github.com/Seeed-Studio/TFT_Touch_Shield_V2.git|Contributed|TFT Touch Shield v2.0
 https://github.com/Seeed-Studio/Touch_Screen_Driver.git|Contributed|Touch Screen Driver
 https://github.com/Seeed-Studio/Wio_LTE_Arduino_Library.git|Contributed|Wio LTE Arduino Library
+https://github.com/hippymulehead/FastDigitalPin.git|Contributed|Romans Audio FastDigitalPin Library