diff -ruN /usr/ports.orig/dns/knot-resolver/Makefile /usr/ports/dns/knot-resolver/Makefile
--- /usr/ports.orig/dns/knot-resolver/Makefile	2020-09-16 10:01:24.666452000 +0000
+++ /usr/ports/dns/knot-resolver/Makefile	2020-09-16 09:30:20.005224000 +0000
@@ -2,8 +2,7 @@
 # $FreeBSD: head/dns/knot-resolver/Makefile 547081 2020-08-30 20:19:41Z sunpoet $
 
 PORTNAME=	knot-resolver
-DISTVERSION=	5.1.2
-PORTREVISION=	1
+DISTVERSION=	5.1.3
 CATEGORIES=	dns
 MASTER_SITES=	https://secure.nic.cz/files/knot-resolver/ \
 		https://dns.company/downloads/knot-resolver/
@@ -19,9 +18,9 @@
 		lua51-cqueues>=20200603_1:devel/lua-cqueues@lua51 \
 		luacheck:devel/lua-luacheck \
 		cmake:devel/cmake
-LIB_DEPENDS=	libknot.so:dns/knot2-lib \
-		libdnssec.so:dns/knot2-lib \
-		libzscanner.so:dns/knot2-lib \
+LIB_DEPENDS=	libknot.so:dns/knot3-lib \
+		libdnssec.so:dns/knot3-lib \
+		libzscanner.so:dns/knot3-lib \
 		libgnutls.so:security/gnutls \
 		liblmdb.so:databases/lmdb \
 		libluajit-5.1.so:lang/luajit-openresty \
diff -ruN /usr/ports.orig/dns/knot-resolver/distinfo /usr/ports/dns/knot-resolver/distinfo
--- /usr/ports.orig/dns/knot-resolver/distinfo	2020-09-16 10:01:24.666403000 +0000
+++ /usr/ports/dns/knot-resolver/distinfo	2020-09-16 09:30:23.551098000 +0000
@@ -1,3 +1,3 @@
-TIMESTAMP = 1593645886
-SHA256 (knot-resolver-5.1.2.tar.xz) = caa4f941caf39080184554fb1310f383eba4b30d9c4c2215670d6b0a2de8f836
-SIZE (knot-resolver-5.1.2.tar.xz) = 1749236
+TIMESTAMP = 1600248623
+SHA256 (knot-resolver-5.1.3.tar.xz) = 20cd829027e39a9f7d993894e3640e886825b492d9ac1a744ac5616cc101458b
+SIZE (knot-resolver-5.1.3.tar.xz) = 1808868