diff --git a/repositories.txt b/repositories.txt
index 1b6a29841..59fd662c3 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -619,6 +619,7 @@ https://github.com/adafruit/Adafruit_NeoPXL8
 https://github.com/adafruit/Adafruit_NeoTrellisM4
 https://github.com/adafruit/Adafruit_nRF8001
 https://github.com/adafruit/Adafruit_nRFCrypto
+https://github.com/adafruit/Adafruit_OPT4048
 https://github.com/adafruit/Adafruit_OV7670
 https://github.com/adafruit/Adafruit_PCF8574
 https://github.com/adafruit/Adafruit_PCF8591