diff --git a/sysutils/mackerel-agent/Makefile b/sysutils/mackerel-agent/Makefile
index 524843731187..3e7b09a07e9d 100644
--- a/sysutils/mackerel-agent/Makefile
+++ b/sysutils/mackerel-agent/Makefile
@@ -1,27 +1,26 @@
 PORTNAME=	mackerel-agent
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.85.2
-PORTREVISION=	3
+DISTVERSION=	0.85.3
 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,1.24
+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 bd038263ce92..e7a7ebe95608 100644
--- a/sysutils/mackerel-agent/distinfo
+++ b/sysutils/mackerel-agent/distinfo
@@ -1,5 +1,5 @@
-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
+TIMESTAMP = 1765956653
+SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.85.3/v0.85.3.mod) = 5debd6afacacf7d45f14e31d332026cdac2d7af79b0ca98d6372c535a2a14d80
+SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.85.3/v0.85.3.mod) = 1426
+SHA256 (go/sysutils_mackerel-agent/mackerel-agent-v0.85.3/v0.85.3.zip) = e902e6a435303173cea46e0260b53b989fd7eb7c629857e30fa101653f443990
+SIZE (go/sysutils_mackerel-agent/mackerel-agent-v0.85.3/v0.85.3.zip) = 251972