diff --git a/graphics/tiffgt/Makefile b/graphics/tiffgt/Makefile
index aa500c0693e5..3e1ed4f61425 100644
--- a/graphics/tiffgt/Makefile
+++ b/graphics/tiffgt/Makefile
@@ -1,43 +1,43 @@
 PORTNAME=	tiffgt
-DISTVERSION=	4.4.0
+DISTVERSION=	4.5.0
 CATEGORIES=	graphics
 MASTER_SITES=	https://download.osgeo.org/libtiff/
 DISTNAME=	tiff-${DISTVERSION}
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	X11 Tools for working with TIFF images
 WWW=		http://www.simplesystems.org/libtiff/
 
 LICENSE=	BSD3CLAUSE
-LICENSE_FILE=	${WRKSRC}/COPYRIGHT
+LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 LIB_DEPENDS=	libjbig.so:graphics/jbigkit \
 		libtiff.so:graphics/tiff \
 		libzstd.so:archivers/zstd
 
 USES=		cpe gl jpeg libtool pathfix xorg
 
 CPE_PRODUCT=	libtiff
 CPE_VERSION=	${DISTVERSION:C/[a-z]+//}
 CPE_UPDATE=	${DISTVERSION:C/[0-9.]+//}
 USE_GL=		gl glu glut
 USE_LDCONFIG=	yes
 USE_XORG=	ice sm x11 xi xmu
 
 GNU_CONFIGURE=		yes
 CONFIGURE_ARGS+=	--with-jpeg-include-dir=${LOCALBASE}/include \
 			--with-jpeg-lib-dir=${LOCALBASE}/lib \
 			--with-x
 
 PLIST_FILES=	bin/tiffgt \
 		man/man1/tiffgt.1.gz
 
 pre-configure:
 	${REINPLACE_CMD} -e 's|^docfiles|no-docfiles|' \
 		-e 's|man html|man|' ${WRKSRC}/Makefile.in
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/tools/.libs/tiffgt ${STAGEDIR}/${PREFIX}/bin/
-	${INSTALL_MAN} ${WRKSRC}/man/tiffgt.1 ${STAGEDIR}${PREFIX}/man/man1/
+	${INSTALL_MAN} ${WRKSRC}/doc/man-prebuilt/tiffgt.1 ${STAGEDIR}${PREFIX}/man/man1/
 
 .include <bsd.port.mk>
diff --git a/graphics/tiffgt/distinfo b/graphics/tiffgt/distinfo
index 9e5a7075d0cc..9c35ca8fd3f3 100644
--- a/graphics/tiffgt/distinfo
+++ b/graphics/tiffgt/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1654111486
-SHA256 (tiff-4.4.0.tar.gz) = 917223b37538959aca3b790d2d73aa6e626b688e02dcda272aec24c2f498abed
-SIZE (tiff-4.4.0.tar.gz) = 2841082
+TIMESTAMP = 1672435767
+SHA256 (tiff-4.5.0.tar.gz) = c7a1d9296649233979fa3eacffef3fa024d73d05d589cb622727b5b08c423464
+SIZE (tiff-4.5.0.tar.gz) = 3880855