Index: head/textproc/py-CommonMark/Makefile
===================================================================
--- head/textproc/py-CommonMark/Makefile	(revision 472736)
+++ head/textproc/py-CommonMark/Makefile	(revision 472737)
@@ -1,22 +1,22 @@
 # $FreeBSD$
 
 PORTNAME=	CommonMark
 PORTVERSION=	0.7.5
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	textproc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	romain@FreeBSD.org
 COMMENT=	Python parser for the CommonMark Markdown spec
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}future>0:devel/py-future@${FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 NO_ARCH=	yes
 
 .include <bsd.port.mk>