diff --git a/repositories.txt b/repositories.txt
index e023fb70..ea4fec85 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -250,6 +250,7 @@ https://github.com/MrYsLab/NanoConnectHcSr04
 https://github.com/Tinyu-Zhao/TinyGPSPlus
 https://github.com/m5stack/M5Unit-ACSSR
 https://github.com/m5stack/M5_BH1750FVI
+https://github.com/m5stack/M5Unit-EXTIO2
 https://github.com/m5stack/M5_ADS1115
 https://github.com/m5stack/UNIT_ENCODER
 https://github.com/m5stack/M5_BM8563