diff --git a/cad/netgen-lvs/Makefile b/cad/netgen-lvs/Makefile
index 562408e4b160..0235c0cef06c 100644
--- a/cad/netgen-lvs/Makefile
+++ b/cad/netgen-lvs/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	netgen
-DISTVERSION=	1.5.176
+DISTVERSION=	1.5.177
 CATEGORIES=	cad
 PKGNAMESUFFIX=	-lvs
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Tool for comparing netlists (a process known as LVS)
 
 LICENSE=	GPLv1
 LICENSE_FILE=	${WRKSRC}/Copying
 
 RUN_DEPENDS=	bash:shells/bash
 
 USES=		gmake python:3.6+ 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
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|^#!/bin/env python3$$|#!${PYTHON_CMD}|' ${WRKSRC}/python/*.py
 
 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 a351888a7c2e..e601423ed1f1 100644
--- a/cad/netgen-lvs/distinfo
+++ b/cad/netgen-lvs/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1621136184
-SHA256 (RTimothyEdwards-netgen-1.5.176_GH0.tar.gz) = 794b23bba3f7835c963fdde1c55f76c94202c839828ded0502c94a4e7ea54e3a
-SIZE (RTimothyEdwards-netgen-1.5.176_GH0.tar.gz) = 525784
+TIMESTAMP = 1621665650
+SHA256 (RTimothyEdwards-netgen-1.5.177_GH0.tar.gz) = 1e6401b999ad2f19c4d544a6f416bb5751903df30b47501627d0d1eb3b4c5cfb
+SIZE (RTimothyEdwards-netgen-1.5.177_GH0.tar.gz) = 526154