--- Makefile	(revision 508921)
+++ Makefile	(working copy)
@@ -3,7 +3,7 @@ 
 
 PORTNAME=	wheel
 PORTVERSION=	0.30.0
-PORTREVISION=	0
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -25,6 +25,6 @@ 
 			${PYTHON_PKGNAMEPREFIX}xdg>=0.25:devel/py-xdg@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	distutils autoplist
+USE_PYTHON=	distutils autoplist concurrent
 
 .include <bsd.port.mk>