diff --git a/repositories.txt b/repositories.txt
index cdd94e3a..e2ea75fa 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -3169,6 +3169,7 @@ https://github.com/RobTillaart/Max44009
 https://github.com/RobTillaart/MCP_ADC
 https://github.com/RobTillaart/MCP_DAC
 https://github.com/RobTillaart/MCP23017_RT
+https://github.com/RobTillaart/MCP23S08
 https://github.com/RobTillaart/MCP23S17
 https://github.com/RobTillaart/MCP4725
 https://github.com/RobTillaart/MCP9808_RT