diff --git a/science/massxpert/Makefile b/science/massxpert/Makefile
--- a/science/massxpert/Makefile
+++ b/science/massxpert/Makefile
@@ -14,10 +14,9 @@
 LIB_DEPENDS=	libexpat.so:textproc/expat2 \
 		libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2 \
-		libpcre.so:devel/pcre \
 		libpng.so:graphics/png
 
-USES=		cmake gnome qt:5 tar:bzip2 xorg
+USES=		cmake compiler:c++17-lang gnome qt:5 xorg
 USE_GITLAB=	yes
 GL_SITE=	https://salsa.debian.org/
 GL_ACCOUNT=	debichem-team
diff --git a/science/massxpert/pkg-descr b/science/massxpert/pkg-descr
--- a/science/massxpert/pkg-descr
+++ b/science/massxpert/pkg-descr
@@ -17,4 +17,4 @@
 code of proteins) 2) conversion of number format according to any localized
 number format 3) sort mass lists.
 
-WWW: https://salsa.debian.org/debichem-team/massxpert
+WWW: http://www.msxpertsuite.org