diff --git a/textproc/lttoolbox/Makefile b/textproc/lttoolbox/Makefile
index 4f1c55d45f8d..3f53ff72d045 100644
--- a/textproc/lttoolbox/Makefile
+++ b/textproc/lttoolbox/Makefile
@@ -1,34 +1,34 @@
 # Created by: Mykola Dzham <freebsd@levsha.org.ua>
 
 PORTNAME=	lttoolbox
 PORTVERSION=	${APVER}.${APREV}
 DISTVERSIONPREFIX=	v
 CATEGORIES=	textproc
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Tool for lexical, morphological analysis and generation of words
 
 LICENSE=	GPLv2
 
 BUILD_DEPENDS=	utf8cpp>0:devel/utf8cpp
 LIB_DEPENDS=	libicuio.so:devel/icu \
 		libxml2.so:textproc/libxml2
 
 USES=		autoreconf compiler:c++14-lang libtool pathfix pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT=	apertium
 USE_LDCONFIG=	yes
 
 APVER=		3.6
-APREV=		4
+APREV=		6
 
 GNU_CONFIGURE=	yes
 
 INSTALL_TARGET=	install-strip
 
 CFLAGS+=	-I${LOCALBASE}/include/utf8cpp
 LDFLAGS+=	-lpthread
 
 PLIST_SUB+=	APVER="${APVER}"
 
 .include <bsd.port.mk>
diff --git a/textproc/lttoolbox/distinfo b/textproc/lttoolbox/distinfo
index b165bd7e91c5..f897ba8e274e 100644
--- a/textproc/lttoolbox/distinfo
+++ b/textproc/lttoolbox/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1651613865
-SHA256 (apertium-lttoolbox-v3.6.4_GH0.tar.gz) = c17802cea31f84144ec225209339b6a0fa541ff2c7c79eabf23482f31872da73
-SIZE (apertium-lttoolbox-v3.6.4_GH0.tar.gz) = 189836
+TIMESTAMP = 1654834716
+SHA256 (apertium-lttoolbox-v3.6.6_GH0.tar.gz) = e22d8a0635fc627e21679d168aad019f05279ae811d4913f58ebc3c8bf271f61
+SIZE (apertium-lttoolbox-v3.6.6_GH0.tar.gz) = 191479