diff --git a/repositories.txt b/repositories.txt
index 58966011..4f865d21 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5149,3 +5149,4 @@ https://github.com/khoih-prog/ATtiny_TimerInterrupt
 https://github.com/berrak/LedTask
 https://github.com/asjdf/WebSerialLite
 https://github.com/khoih-prog/ATtiny_Slow_PWM
+https://github.com/Mm1KEE/SimpleFilter