diff --git a/net/tcptestsuite/Makefile b/net/tcptestsuite/Makefile
index 549a8b193659..9bd194a39d24 100644
--- a/net/tcptestsuite/Makefile
+++ b/net/tcptestsuite/Makefile
@@ -1,34 +1,34 @@
 PORTNAME=	tcptestsuite
-DISTVERSION=	g20250428
+DISTVERSION=	g20251201
 PORTEPOCH=	1
 CATEGORIES=	net
 
 MAINTAINER=	olivier@FreeBSD.org
 COMMENT=	Network stack test suite
 
 LICENSE=	BSD2CLAUSE
 
 RUN_DEPENDS=	packetdrill:net/packetdrill
 
 # Remember to update files/tcptestsuite_atf_test too
 USE_GITHUB=	yes
 GH_ACCOUNT=	freebsd-net
 GH_PROJECT=	tcp-testsuite
-GH_TAGNAME=	f6038fe
+GH_TAGNAME=	a18ff2a
 
 NO_ARCH=	yes
 NO_BUILD=	yes
 
 _TEST_DIR=	${STAGEDIR}${PREFIX}/tests/${PORTNAME}
 
 do-install:
 	${INSTALL_SCRIPT} ${WRKSRC}/run-all-tests ${STAGEDIR}${PREFIX}/bin
 	(cd ${WRKSRC} && \
 		${COPYTREE_SHARE} "fast-open snd-syn socket-api rcv-data-segments rcv-icmp snippets state-event-engine tcp-over-udp" ${STAGEDIR}${DATADIR})
 	${MKDIR} ${_TEST_DIR}
 	${INSTALL_SCRIPT} ${WRKSRC}/double-check.sh ${STAGEDIR}${DATADIR}
 	${INSTALL_SCRIPT} ${FILESDIR}/tcptestsuite_atf_test ${_TEST_DIR}
 	@${REINPLACE_CMD} -e 's|/usr/local|${PREFIX}|g' ${_TEST_DIR}/tcptestsuite_atf_test
 	${INSTALL_DATA} ${FILESDIR}/Kyuafile ${_TEST_DIR}
 
 .include <bsd.port.mk>
diff --git a/net/tcptestsuite/distinfo b/net/tcptestsuite/distinfo
index 51ef3a2e8aa8..71375e4471bb 100644
--- a/net/tcptestsuite/distinfo
+++ b/net/tcptestsuite/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1745876474
-SHA256 (freebsd-net-tcp-testsuite-g20250428-f6038fe_GH0.tar.gz) = 98f8d642791658809e9d4cf75a7de759bad746ee71bc62a9534ff2a3e5fd353c
-SIZE (freebsd-net-tcp-testsuite-g20250428-f6038fe_GH0.tar.gz) = 134370
+TIMESTAMP = 1764628814
+SHA256 (freebsd-net-tcp-testsuite-g20251201-a18ff2a_GH0.tar.gz) = c0c1db35f44b1f5da0164514468208b2c0234fae7b291eb9721ada5a43749be8
+SIZE (freebsd-net-tcp-testsuite-g20251201-a18ff2a_GH0.tar.gz) = 135242