diff --git a/science/atompaw/Makefile b/science/atompaw/Makefile
index 735185b6067f..729f102a00f5 100644
--- a/science/atompaw/Makefile
+++ b/science/atompaw/Makefile
@@ -1,27 +1,32 @@
 PORTNAME=	atompaw
 DISTVERSION=	4.2.0.2
+PORTREVISION=	1
 CATEGORIES=	science
 MASTER_SITES=	http://users.wfu.edu/natalie/papers/pwpaw/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Tool for projector augmented wave functions for molecular simulations
 WWW=		https://users.wfu.edu/natalie/papers/pwpaw/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	liblapack.so:math/lapack \
 		libblas.so:math/blas
 
 USES=		fortran gmake libtool
 GNU_CONFIGURE=	yes
-MAKE_JOBS_UNSAFE=	yes
 
-OPTIONS_DEFINE=	DOCS
+OPTIONS_DEFINE=		DOCS LIBXC
+OPTIONS_DEFAULT=	LIBXC
+
+LIBXC_DESC=		Build with libxc
+LIBXC_CONFIGURE_ENABLE=	libxc
+LIBXC_LIB_DEPENDS=	libxc.so:science/libxc
 
 PORTDOCS=	*
 
 PLIST_FILES=	bin/atompaw \
 		bin/graphatom
 
 .include <bsd.port.mk>
diff --git a/science/atompaw/distinfo b/science/atompaw/distinfo
index cb6239a61926..c18edfcb614c 100644
--- a/science/atompaw/distinfo
+++ b/science/atompaw/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1665645607
-SHA256 (atompaw-4.2.0.2.tar.gz) = b7b678cda5c6d6c3dfc87c91df8e56fb8ab4d7959d1a4e46c9e1d04b1648ecb3
-SIZE (atompaw-4.2.0.2.tar.gz) = 5822816
+TIMESTAMP = 1666030703
+SHA256 (atompaw-4.2.0.2.tar.gz) = c16648611f5798b8e1781fb2229854c54fa63f085bd11440fdc4ecacbf0ad93e
+SIZE (atompaw-4.2.0.2.tar.gz) = 5823724