diff --git a/repositories.txt b/repositories.txt
index 81916697..7b12bd75 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5172,3 +5172,4 @@ https://github.com/mentalfl0w/DLLN3X_zigbee_mesh_module_library
 https://github.com/berrak/Mock
 https://github.com/luni64/AttachInterruptEx
 https://github.com/ArtronShop/IOXESP32Motor
+https://gitlab.com/ug-cp/fast_samd21_tc