diff --git a/registry.txt b/registry.txt
index a71fbc9d..c8211887 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4265,3 +4265,4 @@ https://github.com/bxparks/AceWire.git|Contributed|AceWire
 https://github.com/m5stack/M5_BMM150.git|Contributed|M5_BMM150
 https://github.com/m5stack/M5_ADS1115.git|Contributed|M5_ADS1115
 https://github.com/PowerBroker2/ArduPID.git|Contributed|ArduPID
+https://github.com/m5stack/M5_AD9833.git|Contributed|M5_AD9833