diff --git a/repositories.txt b/repositories.txt
index e58a1c88..deca452e 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -3168,6 +3168,7 @@ https://github.com/RobTillaart/Optoma
 https://github.com/RobTillaart/palindrome
 https://github.com/RobTillaart/PAR27979
 https://github.com/RobTillaart/ParallelPrinter
+https://github.com/RobTillaart/PCA9634
 https://github.com/RobTillaart/PCA9635
 https://github.com/RobTillaart/PCA9685_RT
 https://github.com/RobTillaart/PCF8574