diff --git a/net/syncthing/Makefile b/net/syncthing/Makefile
index c7481d74099b..afab2e4fc4eb 100644
--- a/net/syncthing/Makefile
+++ b/net/syncthing/Makefile
@@ -1,66 +1,65 @@
 PORTNAME=	syncthing
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.0.12
-PORTREVISION=	2
+DISTVERSION=	2.0.13
 CATEGORIES=	net
 MASTER_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/releases/download/v${DISTVERSION}/
 DISTNAME=	${PORTNAME}-source-${DISTVERSIONFULL}
 
 MAINTAINER=	dvl@FreeBSD.org
 COMMENT=	Encrypted file sync tool
 WWW=		https://syncthing.net/
 
 LICENSE=	MPL20
 LICENSE_FILE=	${WRKSRC}/${PORTNAME}/LICENSE
 
 USES=		cpe go:modules
 
 USE_RC_SUBR=	syncthing syncthing-discosrv syncthing-relaysrv \
 		syncthing-relaypoolsrv
 
 BINS=		syncthing stdiscosrv strelaysrv strelaypoolsrv
 
 # Anonymize
 MAKE_ENV+=	BUILD_HOST=freebsd \
 		BUILD_USER=ports
 
 CONFLICTS_INSTALL=	syncthing1
 
 NO_CCACHE=	yes
 NO_WRKSUBDIR=	yes
 
 USERS=		syncthing
 GROUPS=		syncthing
 
 .for x in ${BINS}
 PLIST_FILES+=	bin/${x}
 .endfor
 
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	DOCS
 
 do-build:
 	@( cd ${WRKSRC}/${PORTNAME} ; \
 		${SETENV} ${MAKE_ENV} ${GO_ENV} GOPROXY=off ${GO_CMD} run build.go -version v${DISTVERSION} -no-upgrade build ; \
 		${SETENV} ${MAKE_ENV} ${GO_ENV} GOPROXY=off ${GO_CMD} run build.go -version v${DISTVERSION} -no-upgrade build stdiscosrv; \
 		${SETENV} ${MAKE_ENV} ${GO_ENV} GOPROXY=off ${GO_CMD} run build.go -version v${DISTVERSION} -no-upgrade build strelaysrv; \
 		${SETENV} ${MAKE_ENV} ${GO_ENV} GOPROXY=off ${GO_CMD} run build.go -version v${DISTVERSION} -no-upgrade build strelaypoolsrv; \
 		)
 
 do-install:
 .for x in ${BINS}
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME}/${x} \
 		${STAGEDIR}${PREFIX}/bin/
 .endfor
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 .for x in AUTHORS LICENSE README.md
 	${INSTALL_DATA} ${WRKSRC}/${PORTNAME}/${x} \
 		${STAGEDIR}${DOCSDIR}
 .endfor
 
 do-test:
 	@( cd ${WRKSRC}/${PORTNAME} ; \
 		${SETENV} ${MAKE_ENV} ${GO_ENV} GOPROXY=off ${GO_CMD} run build.go -version v${DISTVERSION} -no-upgrade test ; \
 		)
 .include <bsd.port.mk>
diff --git a/net/syncthing/distinfo b/net/syncthing/distinfo
index 5b62c0a7e9ed..767632fac899 100644
--- a/net/syncthing/distinfo
+++ b/net/syncthing/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1764678760
-SHA256 (syncthing-source-v2.0.12.tar.gz) = 56004ae6d974aa387c3c6a734eb98aafd5d6159fc657a1f4c618e0b1814fadae
-SIZE (syncthing-source-v2.0.12.tar.gz) = 62613260
+TIMESTAMP = 1767704310
+SHA256 (syncthing-source-v2.0.13.tar.gz) = fd7c93e01a6d61faa84adda8b22479dd7fd106144fbbb2eb15d773707d8a382e
+SIZE (syncthing-source-v2.0.13.tar.gz) = 62623134
diff --git a/net/syncthing/files/patch-syncthing_lib_beacon_multicast.go b/net/syncthing/files/patch-syncthing_lib_beacon_multicast.go
index 2b817687cf6e..d44b72e8e104 100644
--- a/net/syncthing/files/patch-syncthing_lib_beacon_multicast.go
+++ b/net/syncthing/files/patch-syncthing_lib_beacon_multicast.go
@@ -1,12 +1,11 @@
---- syncthing/lib/beacon/multicast.go.orig	2021-07-06 12:51:32 UTC
+--- syncthing/lib/beacon/multicast.go.orig	2026-01-06 13:20:06 UTC
 +++ syncthing/lib/beacon/multicast.go
-@@ -126,6 +126,9 @@ func readMulticasts(ctx context.Context, outbox chan<-
+@@ -129,7 +129,7 @@ func readMulticasts(ctx context.Context, outbox chan<-
  	pconn := ipv6.NewPacketConn(conn)
  	joined := 0
  	for _, intf := range intfs {
+-		if intf.Flags&net.FlagMulticast == 0 {
 +		if intf.Flags&net.FlagUp == 0 || intf.Flags&net.FlagMulticast == 0 || intf.Name == "ipfw0" {
-+			continue
-+		}
- 		err := pconn.JoinGroup(&intf, &net.UDPAddr{IP: gaddr.IP})
- 		if err != nil {
- 			l.Debugln("IPv6 join", intf.Name, "failed:", err)
+ 			slog.DebugContext(ctx, "Not joining multicast group on non-multicast interface", "name", intf.Name, slog.String("flags", intf.Flags.String()))
+ 			continue
+ 		}