diff -ur libnfs.orig/Makefile libnfs/Makefile
--- libnfs.orig/Makefile	2019-02-28 20:20:34.069168000 +0000
+++ libnfs/Makefile	2019-02-28 20:21:06.919844000 +0000
@@ -2,7 +2,7 @@
 # $FreeBSD: head/net/libnfs/Makefile 460581 2018-02-01 09:09:53Z gahr $

 PORTNAME=	libnfs
-PORTVERSION=	3.0.0
+PORTVERSION=	4.0.0
 CATEGORIES=	net

 MAINTAINER=	snoe925@gmail.com
diff -ur libnfs.orig/distinfo libnfs/distinfo
--- libnfs.orig/distinfo	2019-02-28 20:20:34.075841000 +0000
+++ libnfs/distinfo	2019-02-28 20:32:09.943568000 +0000
@@ -1,3 +1,3 @@
-TIMESTAMP = 1531846208
-SHA256 (sahlberg-libnfs-libnfs-3.0.0_GH0.tar.gz) = 445d92c5fc55e4a5b115e358e60486cf8f87ee50e0103d46a02e7fb4618566a5
-SIZE (sahlberg-libnfs-libnfs-3.0.0_GH0.tar.gz) = 249035
+TIMESTAMP = 1551385929
+SHA256 (sahlberg-libnfs-4.0.0-libnfs-4.0.0_GH0.tar.gz) = 6ee77e9fe220e2d3e3b1f53cfea04fb319828cc7dbb97dd9df09e46e901d797d
+SIZE (sahlberg-libnfs-4.0.0-libnfs-4.0.0_GH0.tar.gz) = 251662