diff --git a/bip-0021.mediawiki b/bip-0021.mediawiki
index 1e78ebfb..a3c2d4ef 100644
--- a/bip-0021.mediawiki
+++ b/bip-0021.mediawiki
@@ -124,3 +124,4 @@ Characters must be URI encoded properly.
 
 === Libraries ===
 * Javascript - https://github.com/bitcoinjs/bip21
+* [[BitcoinPaymentURI|https://github.com/SandroMachado/BitcoinPaymentURI]] Java library to process and generate Bitcoin payment URI's.