diff --git a/sysutils/mackerel-agent/Makefile b/sysutils/mackerel-agent/Makefile
index a385d498bb7c..0743c4e9f673 100644
--- a/sysutils/mackerel-agent/Makefile
+++ b/sysutils/mackerel-agent/Makefile
@@ -1,27 +1,26 @@
 PORTNAME=	mackerel-agent
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.85.1
-PORTREVISION=	1
+DISTVERSION=	0.85.2
 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,1.24
 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 08541aa80148..bd038263ce92 100644
--- a/sysutils/mackerel-agent/distinfo
+++ b/sysutils/mackerel-agent/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1758117065
-SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.85.1/v0.85.1.mod) = 37ea7c0a4ed46cd5242af0e0a8e5833058454efa3bde291882825f9d8def60f7
-SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.85.1/v0.85.1.mod) = 1426
-SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.85.1/v0.85.1.zip) = f2e1b57cd96df7d95d168f6aec196234595682b44b7b0b747ecc8003fdb7f8cf
-SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.85.1/v0.85.1.zip) = 250400
+TIMESTAMP = 1759112346
+SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.85.2/v0.85.2.mod) = 37ea7c0a4ed46cd5242af0e0a8e5833058454efa3bde291882825f9d8def60f7
+SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.85.2/v0.85.2.mod) = 1426
+SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.85.2/v0.85.2.zip) = 67c36fd61a249e997132c6be76d21c710926469edf63977b0013e1b399328d8f
+SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.85.2/v0.85.2.zip) = 250636