diff --git a/textproc/lttoolbox/Makefile b/textproc/lttoolbox/Makefile
index e024928e508a..1261c1b86345 100644
--- a/textproc/lttoolbox/Makefile
+++ b/textproc/lttoolbox/Makefile
@@ -1,24 +1,25 @@
 PORTNAME=	lttoolbox
-DISTVERSION=	3.8.2
+DISTVERSION=	3.8.3
 CATEGORIES=	textproc
 MASTER_SITES=	https://github.com/apertium/${PORTNAME}/releases/download/v${DISTVERSION}/
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Tool for lexical, morphological analysis and generation of words
 WWW=		https://wiki.apertium.org/wiki/Lttoolbox
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	utf8cpp>=4.0.3:devel/utf8cpp
-LIB_DEPENDS=	libicuio.so:devel/icu
+LIB_DEPENDS=	libboost_thread.so:devel/boost-libs \
+		libicuio.so:devel/icu
 
 USES=		cmake compiler:c++14-lang gnome localbase pathfix pkgconfig \
 		tar:bz2
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 CFLAGS+=	-I${LOCALBASE}/include/utf8cpp -D_XOPEN_SOURCE=600
 LDFLAGS+=	-lpthread
 
 .include <bsd.port.mk>
diff --git a/textproc/lttoolbox/distinfo b/textproc/lttoolbox/distinfo
index 2ef8a87cdda8..0c874b106a3e 100644
--- a/textproc/lttoolbox/distinfo
+++ b/textproc/lttoolbox/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1781544160
-SHA256 (lttoolbox-3.8.2.tar.bz2) = 7028dbbcda6c49467378d47784092ef8aba9a59d53e78102742d1edb7c5ff21b
-SIZE (lttoolbox-3.8.2.tar.bz2) = 157342
+TIMESTAMP = 1783275967
+SHA256 (lttoolbox-3.8.3.tar.bz2) = 7953b54bfe5532a32cb46088602d29715f3aa83b7c8890df5bf37485b8f30343
+SIZE (lttoolbox-3.8.3.tar.bz2) = 158107
diff --git a/textproc/lttoolbox/files/patch-lttoolbox_ustring.h b/textproc/lttoolbox/files/patch-lttoolbox_ustring.h
deleted file mode 100644
index 5dcd6478d3c5..000000000000
--- a/textproc/lttoolbox/files/patch-lttoolbox_ustring.h
+++ /dev/null
@@ -1,11 +0,0 @@
---- lttoolbox/ustring.h.orig	2025-03-06 14:48:10 UTC
-+++ lttoolbox/ustring.h
-@@ -25,7 +25,7 @@
- #include <utf8.h>
- #include <vector>
- #include <cstdint>
--#include <iomanip>
-+#include <iostream>
- 
- typedef std::basic_string<UChar> UString;
- typedef std::basic_string_view<UChar> UStringView;