diff --git a/repositories.txt b/repositories.txt
index e90d3545..aeca9df7 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5163,3 +5163,4 @@ https://github.com/dnzayan/ESP32_Pinoo
 https://github.com/ndomx/MCP23017-Arduino-Library
 https://github.com/RLL-Blue-Dragon/NXP_MPXA4250A_00000057
 https://github.com/koendv/CheckDS18B20
+https://github.com/luni64/IntervalTimerEx