diff --git a/registry.txt b/registry.txt
index 58c4b975..c9409b43 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1395,3 +1395,4 @@ https://github.com/adafruit/Adafruit_AMRadio.git|Contributed|Adafruit AM radio l
 https://github.com/adafruit/Adafruit_FreeTouch.git|Contributed|Adafruit FreeTouch Library
 https://github.com/adafruit/Adafruit_NeoPixel_ZeroDMA.git|Contributed|Adafruit DMA neopixel library
 https://github.com/adafruit/Adafruit_NeoMatrix_ZeroDMA.git|Contributed|Adafruit NeoMatrix ZeroDMA library
+https://github.com/adafruit/Adafruit_ZeroTimer.git|Contributed|Adafruit ZeroTimer Library