diff --git a/lang/itcl4/Makefile b/lang/itcl4/Makefile
index c4aeaec2f675..53c0f283296d 100644
--- a/lang/itcl4/Makefile
+++ b/lang/itcl4/Makefile
@@ -1,25 +1,25 @@
 PORTNAME=	itcl4
-PORTVERSION=	4.2.2
+PORTVERSION=	4.2.3
 PORTREVISION=	0
 CATEGORIES=	lang
-MASTER_SITES=	SF/tcl/Tcl/8.6.12
+MASTER_SITES=	SF/tcl/Tcl/8.6.13
 DISTNAME=	itcl${PORTVERSION}
 
 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
 
 CONFIGURE_ARGS+=--includedir=${PREFIX}/include/itcl${PORTVERSION:R}
 PLIST_SUB+=	PKGVER=${PORTVERSION} \
 		SHORT_PKGVER=${PORTVERSION:R}
 TEST_TARGET=	test
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/itcl${PORTVERSION}/libitcl${PORTVERSION}.so
 
 .include <bsd.port.mk>