diff --git a/repositories.txt b/repositories.txt
index 5ff91195..d9683bbe 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -858,6 +858,7 @@ https://github.com/ArduCAM/Arducam_Mega
 https://github.com/ArduCAM/Arducam_mini
 https://github.com/arduino-libraries/AlPlc_Opta
 https://github.com/arduino-libraries/AlPlc_PMC
+https://github.com/arduino-libraries/Arduino_10BASE_T1S
 https://github.com/arduino-libraries/Arduino_AdvancedAnalog
 https://github.com/arduino-libraries/Arduino_APA102
 https://github.com/arduino-libraries/Arduino_APDS9960