diff --git a/README.md b/README.md
index 576056e..68c89bd 100755
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ Files modified from original master branch of HBLink3:
 
 * pynmea2
 * aprslib
+* maidenhead
 
 This should work for DMR radios that send location data as a UTF-8 NMEA sentence. I am hopping to add support for more radios in the future.