diff --git a/math/xtensor/Makefile b/math/xtensor/Makefile
index eb82029957d9..98fc55bf56ea 100644
--- a/math/xtensor/Makefile
+++ b/math/xtensor/Makefile
@@ -1,33 +1,33 @@
 PORTNAME=	xtensor
-DISTVERSION=	0.23.8
+DISTVERSION=	0.23.9
 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: install # https://github.com/xtensor-stack/xtensor/issues/2220
 	@${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>
diff --git a/math/xtensor/distinfo b/math/xtensor/distinfo
index 108bb4127955..ae71c886263a 100644
--- a/math/xtensor/distinfo
+++ b/math/xtensor/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1619777032
-SHA256 (xtensor-stack-xtensor-0.23.8_GH0.tar.gz) = bddb3e03a6fc7d39463df25e1b1a72aac79db7f0f32813c5d34feb7c2708b6b5
-SIZE (xtensor-stack-xtensor-0.23.8_GH0.tar.gz) = 1176753
+TIMESTAMP = 1620605565
+SHA256 (xtensor-stack-xtensor-0.23.9_GH0.tar.gz) = 5bdb9d85ee82c60be0bce32d891b5cc20eb633284a0aabb907f55bbe722cc8e3
+SIZE (xtensor-stack-xtensor-0.23.9_GH0.tar.gz) = 1176740