diff --git a/devel/py-asn1crypto/Makefile b/devel/py-asn1crypto/Makefile
index 05c384a1a759e..cdc8adcdf3d2e 100644
--- a/devel/py-asn1crypto/Makefile
+++ b/devel/py-asn1crypto/Makefile
@@ -4,7 +4,7 @@ CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	ASN.1 library with a focus on performance and a pythonic API
 WWW=		https://github.com/wbond/asn1crypto
 
@@ -12,7 +12,7 @@ LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python:3.6+
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes