diff --git a/registry.txt b/registry.txt
index 18a09d49..f57e9df0 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1377,3 +1377,4 @@ https://github.com/sparkfun/SparkFun_GridEYE_Arduino_Library.git|Contributed|Spa
 https://github.com/JChristensen/DS3232RTC.git|Contributed|DS3232RTC
 https://github.com/tofuman0/PCA9505_06.git|Contributed|PCA9505_06 Library
 https://github.com/adafruit/Adafruit_ZeroDMA.git|Contributed|Adafruit Zero DMA Library
+https://github.com/adafruit/Adafruit_ZeroPDM.git|Contributed|Adafruit Zero PDM Library