diff --git a/math/nanoflann/Makefile b/math/nanoflann/Makefile
index d4ce22996f10..a691c7f72144 100644
--- a/math/nanoflann/Makefile
+++ b/math/nanoflann/Makefile
@@ -1,39 +1,39 @@
 PORTNAME=	nanoflann
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.6.2
+DISTVERSION=	1.6.3
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Header-only library for Nearest Neighbor (NN) search with KD-trees
 WWW=		https://github.com/jlblancoc/nanoflann
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		cmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	jlblancoc
 
 CMAKE_OFF=	NANOFLANN_BUILD_EXAMPLES NANOFLANN_BUILD_TESTS
 
 NO_ARCH=	yes
 
 PLIST_FILES=	include/nanoflann.hpp \
 		libdata/pkgconfig/nanoflann.pc \
 		share/cmake/nanoflann/nanoflannConfig.cmake \
 		share/cmake/nanoflann/nanoflannConfigVersion.cmake \
 		share/cmake/nanoflann/nanoflannTargets.cmake
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DNANOFLANN_BUILD_TESTS=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test
 
 benchmarks: build # benchmarks fail to run: https://github.com/jlblancoc/nanoflann/issues/100
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DBUILD_BENCHMARKS=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} benchmarks
 
 .include <bsd.port.mk>
diff --git a/math/nanoflann/distinfo b/math/nanoflann/distinfo
index cf218cfa8510..84a17453de7f 100644
--- a/math/nanoflann/distinfo
+++ b/math/nanoflann/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1731096711
-SHA256 (jlblancoc-nanoflann-v1.6.2_GH0.tar.gz) = c1b8f2e4d32c040249dad14a89dd03c5106a8c56f3e9ca4e60a0836a59259c0c
-SIZE (jlblancoc-nanoflann-v1.6.2_GH0.tar.gz) = 522648
+TIMESTAMP = 1736326376
+SHA256 (jlblancoc-nanoflann-v1.6.3_GH0.tar.gz) = 6140542c30b4abd6a6ffe52c591afaae5748f011c65682d1cae6c501e7e6710a
+SIZE (jlblancoc-nanoflann-v1.6.3_GH0.tar.gz) = 522669