diff --git a/repositories.txt b/repositories.txt
index 037f7eb0..3d0d718b 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -1,3 +1,4 @@
+https://github.com/fmeng/EspMapping.git
 https://github.com/juanjomartinf/JMBase
 https://github.com/sachinthagayajith/AT21CS01-Arduino-Library
 https://github.com/skipperwraith/LTC2625