diff --git a/registry.txt b/registry.txt
index 9a013879..c1eeb94c 100644
--- a/registry.txt
+++ b/registry.txt
@@ -1126,3 +1126,4 @@ https://github.com/u-fire/ECSalinity.git|Contributed|EC_Salinity
 https://github.com/PulseRain/M10SerialAUX.git|Contributed|M10SerialAUX
 https://github.com/PulseRain/M10SRAM.git|Contributed|M10SRAM
 https://github.com/PulseRain/M10I2C.git|Contributed|M10I2C
+https://github.com/SConaway/AVRUtils.git|Contributed|AVRUtils