diff --git a/comms/libmodbus/Makefile b/comms/libmodbus/Makefile
index 0c39f028c242..87f5b2c25495 100644
--- a/comms/libmodbus/Makefile
+++ b/comms/libmodbus/Makefile
@@ -1,23 +1,24 @@
 PORTNAME=	libmodbus
-PORTVERSION=	3.1.6
-PORTREVISION=	1
+PORTVERSION=	3.1.7
 CATEGORIES=	comms
 MASTER_SITES=	https://libmodbus.org/releases/
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Modbus library
 
 LICENSE=	LGPL21+
 LICENSE_FILE=	${WRKSRC}/COPYING.LESSER
 
 BUILD_DEPENDS=	a2x:textproc/asciidoc \
 		xmlto:textproc/xmlto
 
 USES=		cpe gmake libtool pathfix
-GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
+
+GNU_CONFIGURE=	yes
+
 INSTALL_TARGET=	install-strip
 
 OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.mk>
diff --git a/comms/libmodbus/distinfo b/comms/libmodbus/distinfo
index daa2d6af63bb..ca9dab8ce3d2 100644
--- a/comms/libmodbus/distinfo
+++ b/comms/libmodbus/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1575451445
-SHA256 (libmodbus-3.1.6.tar.gz) = d7d9fa94a16edb094e5fdf5d87ae17a0dc3f3e3d687fead81835d9572cf87c16
-SIZE (libmodbus-3.1.6.tar.gz) = 479565
+TIMESTAMP = 1654519527
+SHA256 (libmodbus-3.1.7.tar.gz) = 7dfe958431d0570b271e1a5b329b76a658e89c614cf119eb5aadb725c87f8fbd
+SIZE (libmodbus-3.1.7.tar.gz) = 490162
diff --git a/comms/libmodbus/pkg-plist b/comms/libmodbus/pkg-plist
index f0b5a625599e..f4efc2ac6e56 100644
--- a/comms/libmodbus/pkg-plist
+++ b/comms/libmodbus/pkg-plist
@@ -1,73 +1,77 @@
 include/modbus/modbus-rtu.h
 include/modbus/modbus-tcp.h
 include/modbus/modbus-version.h
 include/modbus/modbus.h
 lib/libmodbus.so
 lib/libmodbus.so.5
 lib/libmodbus.so.5.1.0
 libdata/pkgconfig/libmodbus.pc
 man/man3/modbus_close.3.gz
 man/man3/modbus_connect.3.gz
 man/man3/modbus_flush.3.gz
 man/man3/modbus_free.3.gz
 man/man3/modbus_get_byte_from_bits.3.gz
 man/man3/modbus_get_byte_timeout.3.gz
 man/man3/modbus_get_float.3.gz
 man/man3/modbus_get_float_abcd.3.gz
 man/man3/modbus_get_float_badc.3.gz
 man/man3/modbus_get_float_cdab.3.gz
 man/man3/modbus_get_float_dcba.3.gz
 man/man3/modbus_get_header_length.3.gz
+man/man3/modbus_get_indication_timeout.3.gz
 man/man3/modbus_get_response_timeout.3.gz
 man/man3/modbus_get_slave.3.gz
 man/man3/modbus_get_socket.3.gz
 man/man3/modbus_mapping_free.3.gz
 man/man3/modbus_mapping_new.3.gz
 man/man3/modbus_mapping_new_start_address.3.gz
 man/man3/modbus_mask_write_register.3.gz
 man/man3/modbus_new_rtu.3.gz
 man/man3/modbus_new_tcp.3.gz
 man/man3/modbus_new_tcp_pi.3.gz
 man/man3/modbus_read_bits.3.gz
 man/man3/modbus_read_input_bits.3.gz
 man/man3/modbus_read_input_registers.3.gz
 man/man3/modbus_read_registers.3.gz
 man/man3/modbus_receive.3.gz
 man/man3/modbus_receive_confirmation.3.gz
 man/man3/modbus_reply.3.gz
 man/man3/modbus_reply_exception.3.gz
 man/man3/modbus_report_slave_id.3.gz
 man/man3/modbus_rtu_get_rts.3.gz
 man/man3/modbus_rtu_get_rts_delay.3.gz
 man/man3/modbus_rtu_get_serial_mode.3.gz
 man/man3/modbus_rtu_set_custom_rts.3.gz
 man/man3/modbus_rtu_set_rts.3.gz
 man/man3/modbus_rtu_set_rts_delay.3.gz
 man/man3/modbus_rtu_set_serial_mode.3.gz
 man/man3/modbus_send_raw_request.3.gz
 man/man3/modbus_set_bits_from_byte.3.gz
 man/man3/modbus_set_bits_from_bytes.3.gz
 man/man3/modbus_set_byte_timeout.3.gz
 man/man3/modbus_set_debug.3.gz
 man/man3/modbus_set_error_recovery.3.gz
 man/man3/modbus_set_float.3.gz
 man/man3/modbus_set_float_abcd.3.gz
 man/man3/modbus_set_float_badc.3.gz
 man/man3/modbus_set_float_cdab.3.gz
 man/man3/modbus_set_float_dcba.3.gz
+man/man3/modbus_set_indication_timeout.3.gz
 man/man3/modbus_set_response_timeout.3.gz
 man/man3/modbus_set_slave.3.gz
 man/man3/modbus_set_socket.3.gz
 man/man3/modbus_strerror.3.gz
 man/man3/modbus_tcp_accept.3.gz
 man/man3/modbus_tcp_listen.3.gz
 man/man3/modbus_tcp_pi_accept.3.gz
 man/man3/modbus_tcp_pi_listen.3.gz
 man/man3/modbus_write_and_read_registers.3.gz
 man/man3/modbus_write_bit.3.gz
 man/man3/modbus_write_bits.3.gz
 man/man3/modbus_write_register.3.gz
 man/man3/modbus_write_registers.3.gz
 man/man7/libmodbus.7.gz
+%%PORTDOCS%%%%DOCSDIR%%/AUTHORS
 %%PORTDOCS%%%%DOCSDIR%%/MIGRATION
+%%PORTDOCS%%%%DOCSDIR%%/NEWS
 %%PORTDOCS%%%%DOCSDIR%%/README.md