diff --git a/sources b/sources
index 477fe67..82ba807 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 3cd804ad2dd4cb61fbd77a5cc033496c  usb-modeswitch-1.2.6.tar.bz2
+13f239816d7c4add8113179f4fb3543c  device_reference.txt