diff --git a/deskutils/fet/Makefile b/deskutils/fet/Makefile
--- a/deskutils/fet/Makefile
+++ b/deskutils/fet/Makefile
@@ -1,6 +1,5 @@
 PORTNAME=	fet
-DISTVERSION=	6.15.0
-PORTREVISION=	1
+DISTVERSION=	6.18.1
 CATEGORIES=	deskutils education
 MASTER_SITES=	https://lalescu.ro/liviu/fet/download/ \
 		https://lalescu.ro/liviu/fet/download/old/ \
@@ -18,7 +17,7 @@
 FLAVORS=	qt6 qt5
 FLAVOR?=	qt6
 
-USES=		compiler:c++14-lang gl qmake qt:${FLAVOR:S/qt//} tar:bzip2
+USES=		compiler:c++17-lang gl qmake qt:${FLAVOR:S/qt//} tar:bzip2
 USE_GL=		gl
 _USE_QT5=	core gui network printsupport widgets buildtools:build
 _USE_QT6=	base
diff --git a/deskutils/fet/distinfo b/deskutils/fet/distinfo
--- a/deskutils/fet/distinfo
+++ b/deskutils/fet/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1704174699
-SHA256 (fet-6.15.0.tar.bz2) = 5d5d09036c07ce3d330e4aff62dd6bfcacb793e345ec0ac8ac950eb1804bb356
-SIZE (fet-6.15.0.tar.bz2) = 19835943
+TIMESTAMP = 1709475091
+SHA256 (fet-6.18.1.tar.bz2) = 8277e7b5a6ea92acdf89ea9a37280f49f13cca0df143e0e4285c2defc927c979
+SIZE (fet-6.18.1.tar.bz2) = 20480299