diff --git a/security/libreswan/Makefile b/security/libreswan/Makefile
index 4fec1be70884..1f1c5279e5e8 100644
--- a/security/libreswan/Makefile
+++ b/security/libreswan/Makefile
@@ -1,51 +1,46 @@
 PORTNAME=	libreswan
-DISTVERSION=	4.4
-PORTREVISION=	1
+DISTVERSION=	4.5
 CATEGORIES=	security
 MASTER_SITES=	https://download.libreswan.org/
 
-PATCH_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/commit/
-PATCHFILES=	e43bc147e1342df55f51df06ef886749111d2cff.patch:-p1 # fix for https://github.com/libreswan/libreswan/issues/448
-PATCHFILES+=	607237df81c9896743f9b2cb91faab01e4d1c3fc.patch:-p1 # BSD patches: https://github.com/libreswan/libreswan/commit/607237df81c9896743f9b2cb91faab01e4d1c3fc
-
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	IPsec and IKE based firewall
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	gawk:lang/gawk \
 		xmlto:textproc/xmlto # build requires xmlto, but manpages aren't installed: https://github.com/libreswan/libreswan/issues/479
 LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libevent.so:devel/libevent \
 		libldns.so:dns/ldns \
 		libnspr4.so:devel/nspr \
 		libnss3.so:security/nss \
 		libunbound.so:dns/unbound
 
 USES=		bison gmake pkgconfig python
 
 CFLAGS+=	-I${WRKSRC}/include/unbound
 
 MAKE_ARGS=	PKG_BASE=${LOCALBASE} \
 		NSS_CFLAGS="`pkg-config --cflags nss`" NSS_LDFLAGS="`pkg-config --libs nss`" \
 		NSPR_LDFLAGS="`pkg-config --libs nspr`" \
 		CRYPT_LDFLAGS=-lcrypt \
 		USE_PTHREAD_SETSCHEDPRIO=false \
 		WERROR_CFLAGS=""  \
 		PYTHON_BINARY=${PYTHON_CMD}
 
 BINARY_ALIAS=	awk=gawk
 
 OPTIONS_DEFINE=	DOCS
 
 post-configure:
 	@cd ${WRKSRC}/mk/defaults && \
 		${RLN} netbsd.mk freebsd.mk
 
 post-install:
 .for f in _import_crl addconn algparse cavp dncheck ecdsasigkey enumcheck hunkcheck ipcheck jambufcheck keyidcheck pluto readwriteconf rsasigkey showhostkey timecheck whack
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/libexec/ipsec/${f}
 .endfor
 
 .include <bsd.port.mk>
diff --git a/security/libreswan/distinfo b/security/libreswan/distinfo
index 5c9e6f8f0c52..638f64910308 100644
--- a/security/libreswan/distinfo
+++ b/security/libreswan/distinfo
@@ -1,7 +1,3 @@
-TIMESTAMP = 1621641154
-SHA256 (libreswan-4.4.tar.gz) = 5f3f0a20d7097f20108bc93ba1255a778d8ffb8692d05f86383978c03c394976
-SIZE (libreswan-4.4.tar.gz) = 3503201
-SHA256 (e43bc147e1342df55f51df06ef886749111d2cff.patch) = d3f168c32501ee2de41b51a747921765c3d2bef555656c098041696f29e14806
-SIZE (e43bc147e1342df55f51df06ef886749111d2cff.patch) = 1279
-SHA256 (607237df81c9896743f9b2cb91faab01e4d1c3fc.patch) = 8a5c42b5b0c405a67fc4b178da10a9734e34fc44cb6f6c02ce63d8dd45e11253
-SIZE (607237df81c9896743f9b2cb91faab01e4d1c3fc.patch) = 14059
+TIMESTAMP = 1629563708
+SHA256 (libreswan-4.5.tar.gz) = 0703f51bdc6674d4ba66adb50854df9e0731bfa78a8983ebc2aa3adc55dd90a3
+SIZE (libreswan-4.5.tar.gz) = 3529355
diff --git a/security/libreswan/files/patch-include_fd.h b/security/libreswan/files/patch-include_fd.h
deleted file mode 100644
index 020743f2ca84..000000000000
--- a/security/libreswan/files/patch-include_fd.h
+++ /dev/null
@@ -1,10 +0,0 @@
---- include/fd.h.orig	2021-05-21 21:31:28 UTC
-+++ include/fd.h
-@@ -26,6 +26,7 @@
- 
- #include <stdbool.h>
- #include <stdlib.h>		/* for ssize_t */
-+#include <sys/types.h>
- 
- #include "where.h"
- 
diff --git a/security/libreswan/files/patch-lib_libipsecconf_confread.c b/security/libreswan/files/patch-lib_libipsecconf_confread.c
deleted file mode 100644
index 8c5788b1bea6..000000000000
--- a/security/libreswan/files/patch-lib_libipsecconf_confread.c
+++ /dev/null
@@ -1,10 +0,0 @@
---- lib/libipsecconf/confread.c.orig	2021-05-21 21:27:40 UTC
-+++ lib/libipsecconf/confread.c
-@@ -33,6 +33,7 @@
- #include <stdio.h>
- #include <string.h>
- #include <assert.h>
-+#include <sys/socket.h>
- 
- #include "lswalloc.h"
- #include "ip_address.h"
diff --git a/security/libreswan/files/patch-lib_libipsecconf_keywords.c b/security/libreswan/files/patch-lib_libipsecconf_keywords.c
deleted file mode 100644
index 7c007941568e..000000000000
--- a/security/libreswan/files/patch-lib_libipsecconf_keywords.c
+++ /dev/null
@@ -1,10 +0,0 @@
---- lib/libipsecconf/keywords.c.orig	2021-05-21 21:28:14 UTC
-+++ lib/libipsecconf/keywords.c
-@@ -28,6 +28,7 @@
- #include <stdlib.h>
- #include <stdio.h>
- #include <limits.h>
-+#include <sys/socket.h>
- 
- #include <libreswan.h>
- #include "constants.h"
diff --git a/security/libreswan/files/patch-lib_libswan_addrtypeof.c b/security/libreswan/files/patch-lib_libswan_addrtypeof.c
deleted file mode 100644
index 3d8299c7e112..000000000000
--- a/security/libreswan/files/patch-lib_libswan_addrtypeof.c
+++ /dev/null
@@ -1,10 +0,0 @@
---- lib/libswan/addrtypeof.c.orig	2021-05-21 18:49:29 UTC
-+++ lib/libswan/addrtypeof.c
-@@ -14,6 +14,7 @@
-  */
- 
- #include <string.h>
-+#include <sys/socket.h>
- 
- #include "ip_address.h"
- #include "ip_info.h"
diff --git a/security/libreswan/files/patch-lib_libswan_initaddr.c b/security/libreswan/files/patch-lib_libswan_initaddr.c
deleted file mode 100644
index 5bffefeb1748..000000000000
--- a/security/libreswan/files/patch-lib_libswan_initaddr.c
+++ /dev/null
@@ -1,10 +0,0 @@
---- lib/libswan/initaddr.c.orig	2021-04-22 15:24:33 UTC
-+++ lib/libswan/initaddr.c
-@@ -16,6 +16,7 @@
-  */
- 
- #include <string.h>
-+#include <sys/socket.h>
- 
- #include "ip_info.h"
- #include "ip_address.h"
diff --git a/security/libreswan/files/patch-lib_libswan_ip__address.c b/security/libreswan/files/patch-lib_libswan_ip__address.c
deleted file mode 100644
index c04a6c16759b..000000000000
--- a/security/libreswan/files/patch-lib_libswan_ip__address.c
+++ /dev/null
@@ -1,11 +0,0 @@
---- lib/libswan/ip_address.c.orig	2021-05-21 18:51:10 UTC
-+++ lib/libswan/ip_address.c
-@@ -16,6 +16,8 @@
-  * License for more details.
-  */
- 
-+#include <sys/socket.h>
-+
- #include "jambuf.h"
- #include "ip_address.h"
- #include "lswlog.h"		/* for dbg() */
diff --git a/security/libreswan/files/patch-lib_libswan_ip__encap.c b/security/libreswan/files/patch-lib_libswan_ip__encap.c
deleted file mode 100644
index ec0c30e2f9ba..000000000000
--- a/security/libreswan/files/patch-lib_libswan_ip__encap.c
+++ /dev/null
@@ -1,10 +0,0 @@
---- lib/libswan/ip_encap.c.orig	2021-05-21 18:52:58 UTC
-+++ lib/libswan/ip_encap.c
-@@ -19,6 +19,7 @@
- #ifdef linux
- #  include <linux/udp.h>		/* for TCP_ENCAP_ESPINTCP and UDP_ENCAP_ESPINUDP */
- #else
-+#  include <sys/types.h>
- #  include <netinet/udp.h>		/* for UDP_ENCAP_ESPINUDP aka NAT */
- #endif
- 
diff --git a/security/libreswan/files/patch-lib_libswan_ip__endpoint.c b/security/libreswan/files/patch-lib_libswan_ip__endpoint.c
deleted file mode 100644
index 905a61816783..000000000000
--- a/security/libreswan/files/patch-lib_libswan_ip__endpoint.c
+++ /dev/null
@@ -1,11 +0,0 @@
---- lib/libswan/ip_endpoint.c.orig	2021-05-21 18:53:45 UTC
-+++ lib/libswan/ip_endpoint.c
-@@ -14,6 +14,8 @@
-  *
-  */
- 
-+#include <sys/socket.h>
-+
- #include "jambuf.h"
- #include "ip_endpoint.h"
- #include "constants.h"		/* for memeq() */
diff --git a/security/libreswan/files/patch-lib_libswan_ip__info.c b/security/libreswan/files/patch-lib_libswan_ip__info.c
deleted file mode 100644
index 33d690c85c47..000000000000
--- a/security/libreswan/files/patch-lib_libswan_ip__info.c
+++ /dev/null
@@ -1,11 +0,0 @@
---- lib/libswan/ip_info.c.orig	2021-05-21 18:51:44 UTC
-+++ lib/libswan/ip_info.c
-@@ -17,6 +17,8 @@
-  * for more details.
-  */
- 
-+#include <sys/socket.h>
-+
- #include "ietf_constants.h"
- #include "ip_info.h"
- #include "passert.h"
diff --git a/security/libreswan/files/patch-lib_libswan_ttoaddress.c b/security/libreswan/files/patch-lib_libswan_ttoaddress.c
deleted file mode 100644
index fb2ec579f6ca..000000000000
--- a/security/libreswan/files/patch-lib_libswan_ttoaddress.c
+++ /dev/null
@@ -1,10 +0,0 @@
---- lib/libswan/ttoaddress.c.orig	2021-05-21 18:49:01 UTC
-+++ lib/libswan/ttoaddress.c
-@@ -18,6 +18,7 @@
- 
- #include <string.h>
- #include <netdb.h>		/* for gethostbyname2() */
-+#include <sys/socket.h>
- 
- #include "ip_address.h"
- #include "ip_info.h"
diff --git a/security/libreswan/files/patch-programs_pluto_packet.c b/security/libreswan/files/patch-programs_pluto_packet.c
deleted file mode 100644
index 534cee3f8d43..000000000000
--- a/security/libreswan/files/patch-programs_pluto_packet.c
+++ /dev/null
@@ -1,10 +0,0 @@
---- programs/pluto/packet.c.orig	2021-05-21 23:54:59 UTC
-+++ programs/pluto/packet.c
-@@ -22,6 +22,7 @@
- #include <stddef.h>
- #include <netinet/in.h>
- #include <string.h>
-+#include <sys/socket.h>
- 
- #include "constants.h"
- #include "lswalloc.h"