diff --git a/sysutils/mackerel-agent/Makefile b/sysutils/mackerel-agent/Makefile
index 639c271abe2c..76dc6e6d60bd 100644
--- a/sysutils/mackerel-agent/Makefile
+++ b/sysutils/mackerel-agent/Makefile
@@ -1,27 +1,26 @@
 PORTNAME=	mackerel-agent
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.86.1
-PORTREVISION=	2
+DISTVERSION=	0.86.3
 CATEGORIES=	sysutils
 
 MAINTAINER=	meta@FreeBSD.org
 COMMENT=	Agent program to post your hosts' metrics to mackerel.io
 WWW=		https://mackerel.io
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		go:modules
 USE_RC_SUBR=	mackerel_agent
 GO_MODULE=	github.com/mackerelio/mackerel-agent
 
 post-patch:
 	${REINPLACE_CMD} -e "s|/etc|${PREFIX}/etc|" ${WRKSRC}/config/config_unix.go
 
 post-stage:
 	${MKDIR} ${STAGEDIR}${ETCDIR}
 	${INSTALL_DATA} ${WRKSRC}/mackerel-agent.sample.conf ${STAGEDIR}${ETCDIR}
 	${MV} ${STAGEDIR}${ETCDIR}/mackerel-agent.sample.conf \
 		${STAGEDIR}${ETCDIR}/mackerel-agent.conf.sample
 
 .include <bsd.port.mk>
diff --git a/sysutils/mackerel-agent/distinfo b/sysutils/mackerel-agent/distinfo
index 61392fea6631..ee63691c13db 100644
--- a/sysutils/mackerel-agent/distinfo
+++ b/sysutils/mackerel-agent/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1771309513
-SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.86.1/v0.86.1.mod) = cb09c5000078dd2b713184f55724ec2989e3bc9ec1514b6517027e4109836177
-SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.86.1/v0.86.1.mod) = 1414
-SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.86.1/v0.86.1.zip) = d83d3f6979293575175cbf078ff290d3b80811a767a5876c687acdad30a8a6d1
-SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.86.1/v0.86.1.zip) = 253207
+TIMESTAMP = 1776403359
+SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.86.3/v0.86.3.mod) = 0a23523e8cb86ea942c805f74850818794e17bc58639f02550eb3043977a04dc
+SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.86.3/v0.86.3.mod) = 1414
+SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.86.3/v0.86.3.zip) = 924b583713ee6267a2e7c95dcc824a3f660b3df556f29d1d431251190e37f662
+SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.86.3/v0.86.3.zip) = 253920