Index: head/math/xtensor/Makefile
===================================================================
--- head/math/xtensor/Makefile	(revision 519853)
+++ head/math/xtensor/Makefile	(revision 519854)
@@ -1,35 +1,35 @@
 # $FreeBSD$
 
 PORTNAME=	xtensor
-DISTVERSION=	0.20.10
+DISTVERSION=	0.21.1
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Multi-dimensional arrays with broadcasting and lazy computing
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	nlohmann-json>0:devel/nlohmann-json \
 		xtl-quant-stack>0:devel/xtl-quant-stack
 RUN_DEPENDS=	nlohmann-json>0:devel/nlohmann-json \
 		xtl-quant-stack>0:devel/xtl-quant-stack
 TEST_DEPENDS=	nlohmann-json>0:devel/nlohmann-json \
 		xtl-quant-stack>0:devel/xtl-quant-stack \
 		googletest>0:devel/googletest
 
 USES=		cmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	xtensor-stack
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 do-test:
 	@${RLN} ${STAGEDIR}${PREFIX}/include ${WRKSRC}/test/staged-include
 	@cd ${WRKSRC}/test && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} . && \
 		${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} && \
 		${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} xtest
 
 .include <bsd.port.mk>
Index: head/math/xtensor/distinfo
===================================================================
--- head/math/xtensor/distinfo	(revision 519853)
+++ head/math/xtensor/distinfo	(revision 519854)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1575699810
-SHA256 (xtensor-stack-xtensor-0.20.10_GH0.tar.gz) = 91af282e7d029e27a4e981ac766a6b8d66a501bbe2e5ca0dc15e01af4f385af8
-SIZE (xtensor-stack-xtensor-0.20.10_GH0.tar.gz) = 1115261
+TIMESTAMP = 1576046344
+SHA256 (xtensor-stack-xtensor-0.21.1_GH0.tar.gz) = 71dd1319075de237199b694abe5598c07a090cc6315b3adf1773f5634da34a16
+SIZE (xtensor-stack-xtensor-0.21.1_GH0.tar.gz) = 1125262