diff --git a/repositories.txt b/repositories.txt
index 6c21b4d8..41e6bdcf 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -4290,3 +4290,4 @@ https://github.com/arduino-libraries/Arduino_BHY2
 https://github.com/arduino-libraries/Arduino_BHY2Host
 https://github.com/khoih-prog/Portenta_H7_AsyncUDP
 https://github.com/mkhuthir/Si4703
+https://github.com/FrankBoesing/FastCRC