diff --git a/repositories.txt b/repositories.txt
index b7f5eab0..7e56732c 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5493,6 +5493,7 @@ https://github.com/RobTillaart/MCP4261
 https://github.com/RobTillaart/MCP4725
 https://github.com/RobTillaart/MCP9808_RT
 https://github.com/RobTillaart/MHZCO2
+https://github.com/RobTillaart/millis64
 https://github.com/RobTillaart/MiniMP3
 https://github.com/RobTillaart/MINMAX
 https://github.com/RobTillaart/ML8511