diff --git a/README.md b/README.md
index dde3ee7..98f3771 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,4 @@
 This is an iOS app that connects to an Apple IIgs over a network and streams text to it from voice dicatation.
 
 This app uses [SwiftSocket v2.1.0](https://github.com/swiftsocket/SwiftSocket/tree/2.1.0) for opening the TCP connection to the Apple IIgs.
+It also uses [BinUtils](https://github.com/nst/BinUtils) for packing/unpacking structures on the TCP connection.