diff --git a/repositories.txt b/repositories.txt
index 399a7695..8d310b47 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4252,3 +4252,4 @@ https://github.com/khoih-prog/Portenta_H7_PWM
 https://github.com/tamctec/ft62x6-arduino
 https://github.com/awgrover/Every-for-arduino
 https://github.com/bobboteck/CWLibrary
+https://github.com/khoih-prog/Portenta_H7_Slow_PWM