diff --git a/devel/py-xdoctest/Makefile b/devel/py-xdoctest/Makefile
index a085465c30da..f6d0fa301107 100644
--- a/devel/py-xdoctest/Makefile
+++ b/devel/py-xdoctest/Makefile
@@ -1,27 +1,31 @@
 PORTNAME=	xdoctest
 DISTVERSION=	1.0.1
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP # has no tests
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python package for executing tests in documentation strings
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=1.11.0:devel/py-six@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=1.11.0:devel/py-six@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}codecov>=2.0.15:devel/py-codecov@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}coverage>=2.0.15:devel/py-coverage@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-cov>0:devel/py-pytest-cov@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>=2.25.1:www/py-requests@${PY_FLAVOR}
 
 USES=		python:3.6+
-USE_PYTHON=	distutils autoplist pytest # some tests fail, see https://github.com/Erotemic/xdoctest/issues/131
+USE_PYTHON=	distutils concurrent autoplist pytest # some tests fail, see https://github.com/Erotemic/xdoctest/issues/131
 
 NO_ARCH=	yes
 
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
+alt-test: # tests using the xdoctest executable
+	@cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} ${STAGEDIR}${PREFIX}/bin/xdoctest -m xdoctest
+
 .include <bsd.port.mk>