diff --git a/devel/tcl8-thread/Makefile b/devel/tcl8-thread/Makefile
index 6160c72e13ee..7f432d1ecd1b 100644
--- a/devel/tcl8-thread/Makefile
+++ b/devel/tcl8-thread/Makefile
@@ -1,49 +1,49 @@
 PORTNAME=	thread
-PORTVERSION=	2.8.10
+PORTVERSION=	2.8.12
 CATEGORIES=	devel
-MASTER_SITES=	SF/tcl/Tcl/8.6.15/
+MASTER_SITES=	SF/tcl/Tcl/8.6.17/
 PKGNAMEPREFIX=	tcl8-
 DISTNAME=	${PORTNAME}${PORTVERSION}
 
 MAINTAINER=	tcltk@FreeBSD.org
 COMMENT=	Scripting level thread extension for Tcl
 WWW=		https://wiki.tcl.tk/2770
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/license.terms
 
 USES=		tcl:86,tea
 
 DOCSDIR=	${PREFIX}/share/doc/${TCL_PKG}
 USE_LDCONFIG=	${PREFIX}/lib/${TCL_PKG}
 
 PLIST_SUB+=	VERSION="${PORTVERSION}"
 
 INSTALL_TARGET=	install-binaries install-doc
 TEST_TARGET=	test
 
 OPTIONS_DEFINE=	DOCS GDBM LMDB
 OPTIONS_DEFAULT=GDBM
 GDBM_DESC=	Persistent shared variables using GDBM
 LMDB_DESC=	Persistent shared variables using LMDB
 GDBM_LIB_DEPENDS=	libgdbm.so:databases/gdbm
 GDBM_CONFIGURE_WITH=	gdbm
 LMDB_LIB_DEPENDS=	liblmdb.so:databases/lmdb
 LMDB_CONFIGURE_WITH=	lmdb
 
 PORTDOCS=	*
 
 PORTSCOUT=	limit:^2\.
 
 post-patch:
 	@${REINPLACE_CMD} "/INSTALL_LIBRARY=/s|'\$$| -s'|" \
 	    ${WRKSRC}/tclconfig/tcl.m4
 
 post-install:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}/html
 .for FILE in ChangeLog README
 	${INSTALL_DATA} ${WRKSRC}/${FILE} ${STAGEDIR}${DOCSDIR}
 .endfor
 	cd ${WRKSRC}/doc/html && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR}/html
 
 .include <bsd.port.mk>
diff --git a/devel/tcl8-thread/distinfo b/devel/tcl8-thread/distinfo
index 00e7ba71c9c1..a3f8d237e4d8 100644
--- a/devel/tcl8-thread/distinfo
+++ b/devel/tcl8-thread/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1726556298
-SHA256 (thread2.8.10.tar.gz) = a40396cb9bd2dc013713a8ede45d03f5d99175512a855fe1a26486297b1f6871
-SIZE (thread2.8.10.tar.gz) = 344562
+TIMESTAMP = 1755523715
+SHA256 (thread2.8.12.tar.gz) = a3dbf0ad70ae37a5e344748881a51c8b1aa0e1ba26cb57dab5ce47ff597b9525
+SIZE (thread2.8.12.tar.gz) = 343756