diff --git a/graphics/libetonyek01/Makefile b/graphics/libetonyek01/Makefile
index a3cda3e0b3fa..060c75f53eea 100644
--- a/graphics/libetonyek01/Makefile
+++ b/graphics/libetonyek01/Makefile
@@ -1,33 +1,34 @@
 PORTNAME=	libetonyek
 PORTVERSION=	0.1.10
-PORTREVISION=	6
+PORTREVISION=	7
 PORTEPOCH=	1
 CATEGORIES=	graphics
 MASTER_SITES=	LODEV/${PORTNAME}
 PKGNAMESUFFIX=	01
 
 MAINTAINER=	office@FreeBSD.org
 COMMENT=	Library to interpret and import Apple Keynote presentations
 WWW=		https://wiki.documentfoundation.org/DLP/Libraries/libetonyek
 
 LICENSE=	MPL20
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	${LOCALBASE}/include/mdds-${MDDS_VERSION}/mdds/global.hpp:devel/mdds \
 		${LOCALBASE}/include/boost/any.hpp:devel/boost-libs \
 		${LOCALBASE}/include/glm/glm.hpp:math/glm
 LIB_DEPENDS=	librevenge-0.0.so:textproc/librevenge \
 		liblangtag.so:devel/liblangtag \
 		libxml2.so:textproc/libxml2
 
-USES=		compiler:c++11-lib gmake libtool localbase pkgconfig tar:xz
+USES=		compiler:c++17-lang gmake libtool localbase pkgconfig tar:xz
+USE_CXXSTD=	c++17
 
-MDDS_VERSION=	2.0
+MDDS_VERSION=	2.1
 
 CONFIGURE_ARGS=	--disable-tests --disable-werror --without-docs --with-mdds=${MDDS_VERSION}
 
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 INSTALL_TARGET=	install-strip
 
 .include <bsd.port.mk>
diff --git a/graphics/libetonyek01/files/patch-configure b/graphics/libetonyek01/files/patch-configure
index 6a0c87502c96..45df135c387d 100644
--- a/graphics/libetonyek01/files/patch-configure
+++ b/graphics/libetonyek01/files/patch-configure
@@ -1,22 +1,22 @@
 --- configure.orig	2021-05-15 12:08:28 UTC
 +++ configure
 @@ -1521,8 +1521,8 @@ Optional Features:
  Optional Packages:
    --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
    --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
 -  --with-mdds=1.5|1.4|1.2|1.0|0.x
 -                          Specify which version of mdds to use (1.5 is the
-+  --with-mdds=2.0|1.7|1.5|1.4|1.2|1.0|0.x
-+                          Specify which version of mdds to use (2.0 is the
++  --with-mdds=2.1|2.0|1.7|1.5|1.4|1.2|1.0|0.x
++                          Specify which version of mdds to use (2.1 is the
                            default)
    --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
                            both]
 @@ -3178,7 +3178,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
  if test "${with_mdds+set}" = set; then :
    withval=$with_mdds;
  else
 -  with_mdds="1.5"
-+  with_mdds="2.0"
++  with_mdds="2.1"
  fi