diff --git a/net-mgmt/alertmanager/Makefile b/net-mgmt/alertmanager/Makefile
index 837f882f9cd2..bab9c6bb7741 100644
--- a/net-mgmt/alertmanager/Makefile
+++ b/net-mgmt/alertmanager/Makefile
@@ -1,51 +1,51 @@
 PORTNAME=	alertmanager
-PORTVERSION=	0.33.0
+PORTVERSION=	0.33.1
 DISTVERSIONPREFIX=	v
 CATEGORIES=	net-mgmt
 MASTER_SITES=	https://raw.githubusercontent.com/${GH_ACCOUNT}/${GH_PROJECT}/${DISTVERSIONFULL}/:gomod \
 		https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/releases/download/${DISTVERSIONFULL}/:ui
 DISTFILES=	go.mod:gomod \
 		${PORTNAME}-web-ui-${DISTVERSION}.tar.gz:ui
 
 MAINTAINER=	dutra@FreeBSD.org
 COMMENT=	Alert routing for Prometheus
 WWW=		https://prometheus.io/docs/alerting/alertmanager/
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cpe go:modules
 GO_MODULE=	github.com/prometheus/alertmanager
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	prometheus
 USE_RC_SUBR=	alertmanager
 
 GO_TARGET=	./cmd/alertmanager ./cmd/amtool
 
 USERS=		alertmanager
 GROUPS=		alertmanager
 
 GO_BUILDFLAGS=	-v -ldflags "${LD_FLAG_STRING}"
 
 _BUILD_USER?=	${USER}
 _BUILD_DATE=	$$(date +%Y-%m-%d)
 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} \
 		${LD_FLAG_X_PREFIX}.BuildDate=${_BUILD_DATE}
 LD_FLAG_X_PREFIX=	-X github.com/prometheus/common/version
 
 post-patch:
 	@${RM} -rf ${WRKSRC}/web/ui/static
 	@${CP} -a ${WRKDIR}/dist ${WRKSRC}/ui/app/dist
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/etc/alertmanager
 	${INSTALL_DATA} \
 		${WRKSRC}/doc/examples/simple.yml \
 		${STAGEDIR}${PREFIX}/etc/alertmanager/alertmanager.yml.sample
 
 .include <bsd.port.mk>
diff --git a/net-mgmt/alertmanager/distinfo b/net-mgmt/alertmanager/distinfo
index 3f9d9b2060fa..087b5b97942d 100644
--- a/net-mgmt/alertmanager/distinfo
+++ b/net-mgmt/alertmanager/distinfo
@@ -1,7 +1,7 @@
-TIMESTAMP = 1782188999
-SHA256 (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.0_GH0/go.mod) = 00ca4933e1f009a4c968a79d1e9638a88e95d2a668bb6cb78722f40510ffc0f1
-SIZE (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.0_GH0/go.mod) = 6376
-SHA256 (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.0_GH0/alertmanager-web-ui-0.33.0.tar.gz) = 995891e2ed390110a063f10ac7320d2146a343dbd5ea74431b79a0cc313ac133
-SIZE (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.0_GH0/alertmanager-web-ui-0.33.0.tar.gz) = 931683
-SHA256 (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.0_GH0/prometheus-alertmanager-v0.33.0_GH0.tar.gz) = 99d24655565e1be74d6fff3ebb3b80d6a0bec2a587c84c3c4690949b82908758
-SIZE (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.0_GH0/prometheus-alertmanager-v0.33.0_GH0.tar.gz) = 775944
+TIMESTAMP = 1783234234
+SHA256 (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.1_GH0/go.mod) = 00ca4933e1f009a4c968a79d1e9638a88e95d2a668bb6cb78722f40510ffc0f1
+SIZE (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.1_GH0/go.mod) = 6376
+SHA256 (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.1_GH0/alertmanager-web-ui-0.33.1.tar.gz) = 1f63344e196e47ba7bfe27276f44c1da77e39fb76493e42b2cf0a50ca8f04321
+SIZE (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.1_GH0/alertmanager-web-ui-0.33.1.tar.gz) = 931668
+SHA256 (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.1_GH0/prometheus-alertmanager-v0.33.1_GH0.tar.gz) = dfe372ecee0704e59e166a6d72f11a689d6b8756366696a0af9fdf801059129b
+SIZE (go/net-mgmt_alertmanager/prometheus-alertmanager-v0.33.1_GH0/prometheus-alertmanager-v0.33.1_GH0.tar.gz) = 776474