diff --git a/cad/netgen-lvs/Makefile b/cad/netgen-lvs/Makefile
index 9ef95672c9f1..ef8b8b753aaf 100644
--- a/cad/netgen-lvs/Makefile
+++ b/cad/netgen-lvs/Makefile
@@ -1,37 +1,37 @@
 PORTNAME=	netgen
-DISTVERSION=	1.5.255
+DISTVERSION=	1.5.256
 CATEGORIES=	cad
 PKGNAMESUFFIX=	-lvs
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Tool for comparing netlists (a process known as LVS)
 WWW=		http://opencircuitdesign.com/netgen/
 
 LICENSE=	GPLv1
 LICENSE_FILE=	${WRKSRC}/Copying
 
 RUN_DEPENDS=	bash:shells/bash
 
 USES=		gmake python shebangfix tar:tgz tcl tk xorg
 USE_XORG=	x11
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	RTimothyEdwards
 
 SHEBANG_FILES=	tcltk/netgen.sh.in
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	HAVE_PYTHON3=yes
 CONFIGURE_ARGS=	--with-interpreter=tcl --with-tcl=${LOCALBASE}/lib/tcl8.6 --with-tk=${LOCALBASE}/lib/tk8.6 --with-x
 
 CONFLICTS_INSTALL=	netgen # bin/netgen
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|^#!/bin/env python3$$|#!${PYTHON_CMD}|' \
 		${WRKSRC}/python/*.py \
 		${WRKSRC}/python/*.py.in
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/netgen/tcl/netgenexec ${STAGEDIR}${PREFIX}/lib/netgen/tcl/tclnetgen.so
 
 .include <bsd.port.mk>
diff --git a/cad/netgen-lvs/distinfo b/cad/netgen-lvs/distinfo
index 349b8558709a..9f62a87560ad 100644
--- a/cad/netgen-lvs/distinfo
+++ b/cad/netgen-lvs/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1689574905
-SHA256 (RTimothyEdwards-netgen-1.5.255_GH0.tar.gz) = 3998a8a7cb5d724a426641ce67ecf97d4e0b3eeea90da59ec879dabad5130731
-SIZE (RTimothyEdwards-netgen-1.5.255_GH0.tar.gz) = 543338
+TIMESTAMP = 1693292283
+SHA256 (RTimothyEdwards-netgen-1.5.256_GH0.tar.gz) = 1a762e2074512464366bd7d8da8cac8b48d8c01a0238241a695d62fb6503ab4a
+SIZE (RTimothyEdwards-netgen-1.5.256_GH0.tar.gz) = 544868