diff --git a/science/elk/Makefile b/science/elk/Makefile
index 17f299907ba8..ec826e881b9f 100644
--- a/science/elk/Makefile
+++ b/science/elk/Makefile
@@ -1,68 +1,68 @@
 PORTNAME=	elk
-DISTVERSION=	8.4.6
+DISTVERSION=	8.4.21
 CATEGORIES=	science
 MASTER_SITES=	SF/${PORTNAME}/
 PKGNAMESUFFIX=	-chemistry
 DIST_SUBDIR=	${PORTNAME}${PKGNAMESUFFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	All-electron full-potential linearised augmented-planewave code
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libblis.so:math/blis \
 		libopenblas.so:math/openblas \
 		libwannier.so:science/wannier90
 
 USES=		fortran gmake tar:tgz
 
 BINARY_ALIAS=	make=${GMAKE}
 
 LDFLAGS+=	${LOCALBASE}/lib/gcc${GCC_DEFAULT}/libgcc_s.so
 
 OPTIONS_GROUP=		PARALLEL
 OPTIONS_GROUP_PARALLEL=	OPENMP MPI
 OPTIONS_DEFINE=		DOCS EXAMPLES
 OPTIONS_DEFAULT=	${OPTIONS_GROUP_PARALLEL}
 PARALLEL_DESC=		Enable parallelizations:
 
 OPENMP_VARS=		OPENMP_FLAGS=-fopenmp
 MPI_RUN_DEPENDS=	mpirun:net/mpich
 
 PORTDOCS=		*
 PORTEXAMPLES=		*
 
 MAKE_JOBS_UNSAFE=	yes
 
 PLIST_FILES=		bin/${PORTNAME}
 
 .include <bsd.port.pre.mk>
 
 .if ${GCC_DEFAULT} >= 10
 # workaround for Type mismatch in argument 'cc' at (1); passed COMPLEX(8) to REAL(8)
 FCFLAGS+=	-fallow-argument-mismatch
 .endif
 
 post-patch:
 	@${SED} 's|%%GMAKE%%|${GMAKE}|; s|%%FC%%|${FC}|; \
 		s|%%FCFLAGS%%|${FCFLAGS}|; \
 		s|%%OPENMP_FLAGS%%|${OPENMP_FLAGS}|' \
 		< ${FILESDIR}/make.inc.in \
 		> ${WRKSRC}/make.inc
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/src/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 
 do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/docs/*.pdf ${STAGEDIR}${DOCSDIR}
 
 do-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	cd ${WRKSRC}/examples && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR}
 
 do-test:
 	@cd ${WRKSRC}/tests && ./test.sh
 
 .include <bsd.port.post.mk>
diff --git a/science/elk/distinfo b/science/elk/distinfo
index ffe0b6caef0f..4d5ccd3b0ef0 100644
--- a/science/elk/distinfo
+++ b/science/elk/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1649470652
-SHA256 (elk-chemistry/elk-8.4.6.tgz) = 4751e8afff31ac6e12a20bdee9b88e37bfb8a8f26d4f5d9ad2eeee0f4a3a4f2a
-SIZE (elk-chemistry/elk-8.4.6.tgz) = 4099976
+TIMESTAMP = 1654455691
+SHA256 (elk-chemistry/elk-8.4.21.tgz) = 4e04f87a3bf9e16c3839b4b16a222b4ef92d11a18b0b472fb196c23d39bdb4df
+SIZE (elk-chemistry/elk-8.4.21.tgz) = 4106665