diff --git a/bip-0032.mediawiki b/bip-0032.mediawiki
index a835d262..45f08ba0 100644
--- a/bip-0032.mediawiki
+++ b/bip-0032.mediawiki
@@ -236,6 +236,8 @@ A Java implementation is available at https://github.com/bitsofproof/supernode/b
 
 A C++ implementation is available at https://github.com/CodeShark/CoinClasses/tree/master/tests/hdwallets
 
+An Objective-C implementation is available at https://github.com/oleganza/CoreBitcoin/blob/master/CoreBitcoin/BTCKeychain.h
+
 A Ruby implementation is available at https://github.com/wink/money-tree
 
 A Go implementation is available at https://github.com/WeMeetAgain/go-hdwallet