diff --git a/devel/libunistring/Makefile b/devel/libunistring/Makefile
index 6ca4ecb69a05..69af5d92434a 100644
--- a/devel/libunistring/Makefile
+++ b/devel/libunistring/Makefile
@@ -1,28 +1,29 @@
 PORTNAME=	libunistring
-DISTVERSION=	1.2
+DISTVERSION=	1.3
 CATEGORIES=	devel
 MASTER_SITES=	GNU
 
 MAINTAINER=	takefu@airport.fm
 COMMENT=	Unicode string library
 WWW=		https://www.gnu.org/software/libunistring/
 
 LICENSE=	GFDL GPLv2 LGPL3+
 LICENSE_COMB=	multi
 LICENSE_FILE_GFDL=	${WRKSRC}/doc/libunistring.texi
 LICENSE_FILE_GPLv2=	${WRKSRC}/COPYING
 LICENSE_FILE_LGPL3+ =	${WRKSRC}/COPYING.LIB
 
 USES=		alias charsetfix cpe iconv libtool tar:xz
 CPE_VENDOR=	gnu
 USE_LDCONFIG=	yes
+
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-static
+
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 INFO=		${PORTNAME}
-OPTIONS_DEFINE=	DOCS
 
-TESTING_UNSAFE=	test-time.c:46: assertion 'tt3 >= tv2.tv_sec' failed
+OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.mk>
diff --git a/devel/libunistring/distinfo b/devel/libunistring/distinfo
index 9eb9474478de..2deeb2bf8f27 100644
--- a/devel/libunistring/distinfo
+++ b/devel/libunistring/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1708981678
-SHA256 (libunistring-1.2.tar.xz) = 632bd65ed74a881ca8a0309a1001c428bd1cbd5cd7ddbf8cedcd2e65f4dcdc44
-SIZE (libunistring-1.2.tar.xz) = 2502196
+TIMESTAMP = 1735161593
+SHA256 (libunistring-1.3.tar.xz) = f245786c831d25150f3dfb4317cda1acc5e3f79a5da4ad073ddca58886569527
+SIZE (libunistring-1.3.tar.xz) = 2753448
diff --git a/devel/libunistring/files/patch-lib_unistr_u8-strncpy.c b/devel/libunistring/files/patch-lib_unistr_u8-strncpy.c
new file mode 100644
index 000000000000..5bde3fdec11d
--- /dev/null
+++ b/devel/libunistring/files/patch-lib_unistr_u8-strncpy.c
@@ -0,0 +1,16 @@
+--- lib/unistr/u8-strncpy.c.orig	2024-01-29 00:58:11 UTC
++++ lib/unistr/u8-strncpy.c
+@@ -28,10 +28,6 @@
+ /* Specification.  */
+ #include "unistr.h"
+ 
+-#include <string.h>
+-
+-uint8_t *
+-u8_strncpy (uint8_t *dest, const uint8_t *src, size_t n)
+-{
+-  return (uint8_t *) strncpy ((char *) dest, (const char *) src, n);
+-}
++#define FUNC u8_strncpy
++#define UNIT uint8_t
++#include "u-strncpy.h"
diff --git a/devel/libunistring/pkg-plist b/devel/libunistring/pkg-plist
index 26e01030b82a..d2bbdaf47367 100644
--- a/devel/libunistring/pkg-plist
+++ b/devel/libunistring/pkg-plist
@@ -1,50 +1,49 @@
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_1.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_10.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_11.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_12.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_13.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_14.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_15.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_16.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_17.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_18.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_19.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_2.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_20.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_21.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_22.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_23.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_3.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_4.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_5.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_6.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_7.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_8.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_9.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_abt.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_fot.html
 %%PORTDOCS%%%%DOCSDIR%%/libunistring_toc.html
 include/unistring/inline.h
-include/unistring/stdbool.h
 include/unistring/stdint.h
 include/unistring/localcharset.h
 include/unistring/iconveh.h
 include/unistring/version.h
 include/unistring/cdefs.h
 include/unistring/woe32dll.h
 include/unitypes.h
 include/unistr.h
 include/uniconv.h
 include/unistdio.h
 include/unimetadata.h
 include/uniname.h
 include/unictype.h
 include/uniwidth.h
 include/uniwbrk.h
 include/unilbrk.h
 include/uninorm.h
 include/unicase.h
 include/unigbrk.h
 lib/libunistring.so
 lib/libunistring.so.5
-lib/libunistring.so.5.1.0
+lib/libunistring.so.5.2.0