diff --git a/textproc/re-flex/Makefile b/textproc/re-flex/Makefile
index 55166e342e79..99d5693a27e6 100644
--- a/textproc/re-flex/Makefile
+++ b/textproc/re-flex/Makefile
@@ -1,38 +1,38 @@
 PORTNAME=	re-flex
-PORTVERSION=	3.5.1
-PORTREVISION=	1
+PORTVERSION=	4.0.1
+PORTREVISION=	0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	textproc
 
 MAINTAINER=	gahr@FreeBSD.org
 COMMENT=	Regex-centric, fast and flexible scanner generator for C++
 WWW=		https://www.genivia.com/reflex.html
 
 LICENSE=	BSD3CLAUSE
 
 USES=		compiler:c++11-lib cmake
 
 OPTIONS_DEFINE=	SIMD
 SIMD_CMAKE_OFF=	-DUSE_AVX512BW:BOOL=OFF -DUSE_AVX2:BOOL=OFF \
 		-DUSE_SSE2:BOOL=OFF -DUSE_NEON:BOOL=OFF
 
 CONFLICTS_INSTALL=	reflex
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Genivia
 GH_PROJECT=	RE-flex
 
 post-patch:
 	${REINPLACE_CMD} \
 		's|reflex_static_lib|reflex|; s|reflex_shared_lib|reflex|' \
 		${WRKSRC}/CMakeLists.txt
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/include/reflex
 	(cd ${WRKSRC}/include/reflex && \
 	 ${COPYTREE_SHARE} \* ${STAGEDIR}${PREFIX}/include/reflex)
 	@${MKDIR} ${STAGEDIR}${DATADIR}
 	${INSTALL_DATA} ${WRKSRC}/lex.vim ${STAGEDIR}${DATADIR}/lex.vim
 	${INSTALL_MAN} ${WRKSRC}/doc/man/reflex.1 ${STAGEDIR}/${PREFIX}/share/man/man1/
 
 .include <bsd.port.mk>
diff --git a/textproc/re-flex/distinfo b/textproc/re-flex/distinfo
index ae0dea0acdb0..8379baf031de 100644
--- a/textproc/re-flex/distinfo
+++ b/textproc/re-flex/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1699339386
-SHA256 (Genivia-RE-flex-v3.5.1_GH0.tar.gz) = e08ed24a6799a6976f6e32312be1ee059b4b6b55f8af3b433a3016d63250c0e4
-SIZE (Genivia-RE-flex-v3.5.1_GH0.tar.gz) = 6395744
+TIMESTAMP = 1709645634
+SHA256 (Genivia-RE-flex-v4.0.1_GH0.tar.gz) = cf492c10573a3b29e832ccf8c728e1931c5b2d073f1703e8fcd5e0eeb0e043ca
+SIZE (Genivia-RE-flex-v4.0.1_GH0.tar.gz) = 6598036