diff --git a/lang/itcl4/Makefile b/lang/itcl4/Makefile
index a6701becf232..dac44deaa37f 100644
--- a/lang/itcl4/Makefile
+++ b/lang/itcl4/Makefile
@@ -1,26 +1,24 @@
 PORTNAME=	itcl4
-PORTVERSION=	4.3.0
-PORTREVISION=	0
+DISTVERSION=	4.3.1
 CATEGORIES=	lang
-MASTER_SITES=	SF/tcl/Tcl/8.6.15
-DISTNAME=	itcl${PORTVERSION}
+MASTER_SITES=	SF/tcl/Tcl/9.0.0
+DISTNAME=	itcl${DISTVERSION}
 
 MAINTAINER=	tcltk@FreeBSD.org
 COMMENT=	Object-oriented extension to Tcl [incr Tcl]
 WWW=		https://core.tcl.tk/itcl
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/license.terms
 
-USES+=		tcl:86,tea
+USES=		tcl:86+,tea
 
-GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
-CONFIGURE_ARGS+=--includedir=${PREFIX}/include/itcl${PORTVERSION:R}
-PLIST_SUB+=	PKGVER=${PORTVERSION} \
-		SHORT_PKGVER=${PORTVERSION:R}
+CONFIGURE_ARGS+=--includedir=${PREFIX}/include/itcl${DISTVERSION:R}
+PLIST_SUB+=	PKGVER=${DISTVERSION} \
+		SHORT_PKGVER=${DISTVERSION:R}
 TEST_TARGET=	test
 
 post-install:
-	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/itcl${PORTVERSION}/libitcl${PORTVERSION}.so
+	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/itcl${DISTVERSION}/lib${TCL_PKG_LIB_PREFIX}itcl${DISTVERSION}.so
 
 .include <bsd.port.mk>
diff --git a/lang/itcl4/distinfo b/lang/itcl4/distinfo
index c16b03bfa367..c5b36eb80a8d 100644
--- a/lang/itcl4/distinfo
+++ b/lang/itcl4/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1726557861
-SHA256 (itcl4.3.0.tar.gz) = aabeaea6ec2bb7bedcca6c22b4efadf4791fa68dac16b1fff1c022edfa06c4b3
-SIZE (itcl4.3.0.tar.gz) = 615378
+TIMESTAMP = 1729064802
+SHA256 (itcl4.3.1.tar.gz) = 8e078b27818a9d0a113b253b2c680381664fcf4b915a69648ccdd2b9a8257da3
+SIZE (itcl4.3.1.tar.gz) = 446115
diff --git a/lang/itcl4/pkg-plist b/lang/itcl4/pkg-plist
index a2f3f860fd0b..dc07b8af8748 100644
--- a/lang/itcl4/pkg-plist
+++ b/lang/itcl4/pkg-plist
@@ -1,31 +1,31 @@
 include/itcl%%SHORT_PKGVER%%/itcl.h
 include/itcl%%SHORT_PKGVER%%/itcl2TclOO.h
 include/itcl%%SHORT_PKGVER%%/itclDecls.h
 include/itcl%%SHORT_PKGVER%%/itclInt.h
 include/itcl%%SHORT_PKGVER%%/itclIntDecls.h
 include/itcl%%SHORT_PKGVER%%/itclMigrate2TclCore.h
 include/itcl%%SHORT_PKGVER%%/itclTclIntStubsFcn.h
 lib/itcl%%PKGVER%%/itcl.tcl
 lib/itcl%%PKGVER%%/itclConfig.sh
 lib/itcl%%PKGVER%%/itclHullCmds.tcl
 lib/itcl%%PKGVER%%/itclWidget.tcl
-lib/itcl%%PKGVER%%/libitcl%%PKGVER%%.so
-lib/itcl%%PKGVER%%/libitclstub%%PKGVER%%.a
+lib/itcl%%PKGVER%%/lib%%TCL_PKG_LIB_PREFIX%%itcl%%PKGVER%%.so
+lib/itcl%%PKGVER%%/libitclstub%%TCL_PKG_STUB_POSTFIX%%.a
 lib/itcl%%PKGVER%%/pkgIndex.tcl
 share/man/mann/body.i4.gz
 share/man/mann/class.i4.gz
 share/man/mann/code.i4.gz
 share/man/mann/configbody.i4.gz
 share/man/mann/delete.i4.gz
 share/man/mann/ensemble.i4.gz
 share/man/mann/find.i4.gz
 share/man/mann/is.i4.gz
 share/man/mann/itcl.i4.gz
 share/man/mann/itclcomponent.i4.gz
 share/man/mann/itcldelegate.i4.gz
 share/man/mann/itclextendedclass.i4.gz
 share/man/mann/itcloption.i4.gz
 share/man/mann/itclvars.i4.gz
 share/man/mann/itclwidget.i4.gz
 share/man/mann/local.i4.gz
 share/man/mann/scope.i4.gz