diff --git a/repositories.txt b/repositories.txt
index 726050d7..41b008d6 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -3265,6 +3265,7 @@ https://github.com/RobTillaart/ShiftInSlow
 https://github.com/RobTillaart/ShiftOutSlow
 https://github.com/RobTillaart/SHT2x
 https://github.com/RobTillaart/SHT31
+https://github.com/RobTillaart/Soundex
 https://github.com/RobTillaart/SHT85
 https://github.com/RobTillaart/SRF05
 https://github.com/RobTillaart/statHelpers