diff --git a/repositories.txt b/repositories.txt
index ad38bd27..bda6f9fc 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -6415,6 +6415,7 @@ https://github.com/stm32duino/LSM6DSO16IS
 https://github.com/WeSpeakEnglish/ANTIRTOS.git
 https://github.com/simonlmn/yatest
 https://github.com/simonlmn/gpiobj
+https://github.com/simonlmn/esp-iot-core
 https://gitlab.com/alexpr0/ssd1306wire.git
 https://github.com/ICRS/ICRS-101-Devkit
 https://github.com/machinefi/w3bstream-client-arduino-ce