diff --git a/math/kfr/Makefile b/math/kfr/Makefile
index d314966dedcb..397138bd652e 100644
--- a/math/kfr/Makefile
+++ b/math/kfr/Makefile
@@ -1,54 +1,58 @@
 PORTNAME=	kfr
-DISTVERSION=	6.3.0
+DISTVERSION=	6.3.1
 CATEGORIES=	math
 
+PATCH_SITES=	https://github.com/kfrlib/kfr/commit/
+PATCHFILES=	eb615703f5f15eb7794d6ec3f20d83130d9f5274.patch:-p1 \
+		6056e7d24723531e10484d63f6a9a5c58f976daa.patch:-p1
+
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters
 WWW=		https://github.com/kfrlib/kfr
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BROKEN_i386=	architecture mismatch in cmake, see https://github.com/kfrlib/kfr/issues/222
 ONLY_FOR_ARCHS=		aarch64 amd64 armv7 i386
 ONLY_FOR_ARCHS_REASON=	only x86, x86_64, ARM (ARMv7+ hf) and AArch64 (aka ARM64) are supported, see https://github.com/kfrlib/kfr/issues/158#issuecomment-1204723324
 
 USES=		cmake:testing compiler:c++17-lang
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	kfrlib
 
 CMAKE_ON=	BUILD_SHARED_LIBS ENABLE_EXAMPLES
 CMAKE_TESTING_ON=	ENABLE_TESTS
 CMAKE_TESTING_TARGET=	${ALL_TARGET}
 
 #CXXFLAGS_armv6=	-march=native # to fix: ARM builds require NEON support. Add -march=native for native build or skip the check with CMT_FORCE_GENERIC_CPU=1
 CMAKE_ARGS_armv6=	-DCMT_FORCE_GENERIC_CPU=1 # to fix: ARM builds require NEON support. Add -march=native for native build or skip the check with CMT_FORCE_GENERIC_CPU=1
 
 .include <bsd.port.options.mk>
 
 .ifndef CPUTYPE && (${ARCH} == amd64 || ${ARCH} == i386)
 PLIST_FILES=	lib/libkfr_dft_avx.so \
 		lib/libkfr_dft_avx2.so \
 		lib/libkfr_dft_avx512.so \
 		lib/libkfr_dft_sse2.so \
 		lib/libkfr_dft_sse41.so \
 		lib/libkfr_dsp_avx.so \
 		lib/libkfr_dsp_avx2.so \
 		lib/libkfr_dsp_avx512.so \
 		lib/libkfr_dsp_sse2.so \
 		lib/libkfr_dsp_sse41.so
 .else
 CMAKE_OFF=	KFR_ENABLE_MULTIARCH
 PLIST_FILES=	lib/libkfr_dft.so \
 		lib/libkfr_dsp.so
 .endif
 
 post-install:
 	${INSTALL_PROGRAM} ${BUILD_WRKSRC}/bin/sample_rate_converter ${STAGEDIR}${PREFIX}/bin/kfr_src
 
 post-test: # see https://github.com/kfrlib/kfr/issues/164
 	@cd ${BUILD_WRKSRC} && \
 		${BUILD_WRKSRC}/bin/all_tests
 
 .include <bsd.port.mk>
diff --git a/math/kfr/distinfo b/math/kfr/distinfo
index a5fdbd4e47ac..cfd873561e80 100644
--- a/math/kfr/distinfo
+++ b/math/kfr/distinfo
@@ -1,3 +1,7 @@
-TIMESTAMP = 1754130652
-SHA256 (kfrlib-kfr-6.3.0_GH0.tar.gz) = 3b2eb54edb9c1ba6d30648b47d11bd445cda4883052d592801bd5482f837162c
-SIZE (kfrlib-kfr-6.3.0_GH0.tar.gz) = 11284158
+TIMESTAMP = 1757718446
+SHA256 (kfrlib-kfr-6.3.1_GH0.tar.gz) = 800f8e782fb514176c06526792ec766b718a7b91c73e9d07efe47dff6cb0816d
+SIZE (kfrlib-kfr-6.3.1_GH0.tar.gz) = 11285494
+SHA256 (eb615703f5f15eb7794d6ec3f20d83130d9f5274.patch) = d25e5b0c01a0b2d0236c40a32d8a04c60c8e1bd2c64cd213ce9d6ffb79115ca0
+SIZE (eb615703f5f15eb7794d6ec3f20d83130d9f5274.patch) = 1173
+SHA256 (6056e7d24723531e10484d63f6a9a5c58f976daa.patch) = 07c76375fe9e97d3b7b7938a440bab63441ab5d6eee617374dececc92fd4f7f3
+SIZE (6056e7d24723531e10484d63f6a9a5c58f976daa.patch) = 6768