Index: head/net-mgmt/prometheus2/Makefile
===================================================================
--- head/net-mgmt/prometheus2/Makefile	(revision 467015)
+++ head/net-mgmt/prometheus2/Makefile	(revision 467016)
@@ -1,53 +1,47 @@
 # $FreeBSD$
 
 PORTNAME=	prometheus
-PORTVERSION=	2.1.0
 DISTVERSIONPREFIX=	v
+DISTVERSION=	2.2.1
 CATEGORIES=	net-mgmt
 
 MAINTAINER=	dor.bsd@xm0.uk
 COMMENT=	Systems monitoring and alerting toolkit
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		go gmake
-USE_GITHUB=	yes
-GH_ACCOUNT=	prometheus
-GH_PROJECT=	prometheus
-
 GO_PKGNAME=	github.com/${GH_ACCOUNT}/${GH_PROJECT}
-
+USE_GITHUB=	yes
 USE_RC_SUBR=	prometheus
 
 USERS=		prometheus
 GROUPS=		prometheus
 
 BUILD_USER?=	${USER}
 LD_FLAG_X_PREFIX=	-X ${GO_PKGNAME}/vendor/${GO_PKGNAME:H}/common/version
 LD_FLAG_STRING=	-s \
 				${LD_FLAG_X_PREFIX}.Version=${PORTVERSION} \
 				${LD_FLAG_X_PREFIX}.Revision=${PORTREVISION} \
 				${LD_FLAG_X_PREFIX}.Branch=release-${PORTVERSION:R} \
 				${LD_FLAG_X_PREFIX}.BuildUser=${BUILD_USER}
-
 PROMETHEUS_BINARIES=	prometheus promtool
 
 do-build:
 .for bin in ${PROMETHEUS_BINARIES}
 	( cd ${GO_WRKSRC}/cmd/${bin} ; \
 		${SETENV} ${MAKE_ENV} ${GO_ENV} go install -ldflags "${LD_FLAG_STRING}" )
 .endfor
 
 do-install:
 .for bin in ${PROMETHEUS_BINARIES}
 	${INSTALL_PROGRAM} ${GO_WRKDIR_BIN}/${bin} ${STAGEDIR}${PREFIX}/bin
 .endfor
-
 	${INSTALL_DATA} \
 		${WRKSRC}/documentation/examples/prometheus.yml \
 		${STAGEDIR}${LOCALBASE}/etc/prometheus.yml.sample
 
 	${MKDIR} ${STAGEDIR}${DESTDIR}/var/db/prometheus
 
 .include <bsd.port.mk>
Index: head/net-mgmt/prometheus2/distinfo
===================================================================
--- head/net-mgmt/prometheus2/distinfo	(revision 467015)
+++ head/net-mgmt/prometheus2/distinfo	(revision 467016)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1516749966
-SHA256 (prometheus-prometheus-v2.1.0_GH0.tar.gz) = c6fc92d695c9af30574eb41af5e0e89f4fde9a04a3169ba58aa2b2f80d5862a4
-SIZE (prometheus-prometheus-v2.1.0_GH0.tar.gz) = 5669858
+TIMESTAMP = 1523391674
+SHA256 (prometheus-prometheus-v2.2.1_GH0.tar.gz) = 4f75427449bb72d1886f6cd46f752fe6300242da48b8bb870dbbd7ffc879ed92
+SIZE (prometheus-prometheus-v2.2.1_GH0.tar.gz) = 5629500