Index: head/devel/py-simplejson/Makefile
===================================================================
--- head/devel/py-simplejson/Makefile	(revision 444492)
+++ head/devel/py-simplejson/Makefile	(revision 444493)
@@ -1,27 +1,26 @@
 # Created by: Alexander Botero-Lowry <alex@foxybanana.com>
 # $FreeBSD$
 
 PORTNAME=	simplejson
 PORTVERSION=	3.11.1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	python@FreeBSD.org
 COMMENT=	Simple, fast, extensible JSON encoder/decoder
 
 # dual-licensed under MIT and Academic Free License version 2.1
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-# 2.5-2.7,3.3+
 USES?=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/simplejson/_speedups.so
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
 
 .include <bsd.port.mk>