diff --git a/finance/py-bitcoin/Makefile b/finance/py-bitcoin/Makefile
index 380fbd76b3b9..ece69fb9a937 100644
--- a/finance/py-bitcoin/Makefile
+++ b/finance/py-bitcoin/Makefile
@@ -1,28 +1,28 @@
 # Created by: Yuri Victorovich <yuri@rawbw.com>
 
 PORTNAME=	bitcoin
 DISTVERSION=	1.1.42
 CATEGORIES=	finance python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python Bitcoin Tools
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python:3.6+
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	distutils concurrent autoplist
 
 NO_ARCH=	yes
 
 POST_PLIST=	fix-plist
 
 fix-plist:
 	@${REINPLACE_CMD} -e "s|^LICENSE$$||" ${TMPPLIST}
 
 post-install:
 	${RM} ${STAGEDIR}${PREFIX}/LICENSE
 
 .include <bsd.port.mk>