diff --git a/sysutils/nix/Makefile b/sysutils/nix/Makefile
index e301276f2779..5f76187cef4d 100644
--- a/sysutils/nix/Makefile
+++ b/sysutils/nix/Makefile
@@ -1,94 +1,96 @@
 PORTNAME=	nix
 DISTVERSION=	2.32.4
 PORTREVISION=	2
 CATEGORIES=	sysutils
 
-PATCH_SITES=	https://github.com/NixOS/nix/commit/2636f50dd41fe357ec64430aeeb772328ab2d7cb.patch?dummy=/
-PATCHFILES=	nix-fix-build-with-mdbook-update.patch:-p1
+PATCH_SITES=	https://github.com/NixOS/nix/commit/
+PATCHFILES=	2636f50dd41fe357ec64430aeeb772328ab2d7cb.patch:-p1 # nix-fix-build-with-mdbook-update.patch
+PATCHFILES+=	342faaa1fa0aa3accc3027081b66c7c2ca36670b.patch:-p1 # fix build fix lowdown 3
+
 
 MAINTAINER=	ashish@FreeBSD.org
 COMMENT=	Purely functional package manager
 WWW=		https://nixos.org/nix/
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	bash:shells/bash \
 		jq:textproc/jq \
 		nlohmann-json>=3.9:devel/nlohmann-json \
 		toml11>=0:devel/toml11
 LIB_DEPENDS=	libaws-cpp-sdk-core.so:devel/aws-sdk-cpp \
 		libaws-crt-cpp.so:devel/aws-crt-cpp \
 		libblake3.so:devel/libblake3 \
 		libboost_context.so:devel/boost-libs \
 		libbrotlienc.so:archivers/brotli \
 		libcpuid.so:sysutils/libcpuid \
 		libcurl.so:ftp/curl \
 		libeditline.so:devel/editline \
 		libgc-threaded.so:devel/boehm-gc-threaded \
 		libgit2.so:devel/libgit2 \
 		liblowdown.so:textproc/lowdown \
 		libsodium.so:security/libsodium
 
 USES=		bison cmake:indirect compiler:c++23-lang cpe libarchive localbase \
 		meson ninja pkgconfig sqlite:3 ssl
 USE_GITHUB=	yes
 GH_ACCOUNT=	NixOS
 USE_LDCONFIG=	yes
 
 CPE_VENDOR=	nix_project
 
 MESON_ARGS=	-Dbenchmarks=false \
 		-Dbindings=false \
 		-Dunit-tests=false
 LDFLAGS+=	-L${LOCALBASE}/lib
 
 # file names are platform-dependent!
 PORTDOCS=	manual
 PLIST_SUB=	PORTVERSION=${PORTVERSION}
 
 SUB_FILES=	pkg-message
 
 GROUPS=		nixbld
 
 OPTIONS_DEFINE=		DOCS
 DOCS_USES=		python:build
 DOCS_MESON_TRUE=	doc-gen
 DOCS_BUILD_DEPENDS=	mdbook-linkcheck>=0:textproc/mdbook-linkcheck \
 			mdbook>=0:textproc/mdbook \
 			rsync:net/rsync
 
 _STRIP_TARGETS=	bin/nix bin/nix-build bin/nix-channel bin/nix-collect-garbage \
 		bin/nix-copy-closure bin/nix-daemon bin/nix-env \
 		bin/nix-instantiate bin/nix-prefetch-url bin/nix-store \
 		lib/libnixexpr.so lib/libnixmain.so lib/libnixstore.so \
 		lib/libnixutil.so lib/libnixcmd.so lib/libnixfetchers.so
 
 post-patch:
 	${REINPLACE_CMD} -e "/seccomp-sandboxing/s/,$$/, value : 'disabled',/" \
 		${WRKSRC}/src/libstore/meson.options
 	${REINPLACE_CMD} -e "/^bdw_gc/s/'bdw-gc'/'bdw-gc-threaded'/" \
 		${WRKSRC}/src/libexpr/meson.build
 	${FIND} ${WRKSRC} -type f -name meson.build | \
 		${XARGS} ${GREP} -E -R -l 'Werror=(suggest-override|undef)|/dummy' | \
 		${XARGS} ${REINPLACE_CMD} -E -e '/Werror=(suggest-override|undef)/d' \
 			-e 's,/dummy,/tmp/dummy,g'
 
 post-patch-DOCS-on:
 	${REINPLACE_CMD} -E -e '/(internal|external)-api-docs/d' \
 		${WRKSRC}/meson.build
 	${FIND} ${WRKSRC} -type f -name 'book.toml.in' | ${XARGS} \
 		${REINPLACE_CMD} -e "s,'python3','${PYTHON_CMD}'," \
 			-e 's,"python3 ,"${PYTHON_CMD} ,' \
 			${WRKSRC}/src/nix-manual/meson.build
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${DATADIR}
 	${INSTALL_SCRIPT} ${FILESDIR}/add-nixbld-users ${STAGEDIR}${DATADIR}
 
 	@${RM} ${STAGEDIR}${PREFIX}/libexec/nix/build-remote
 	@${RLN} ${STAGEDIR}${PREFIX}/bin/nix ${STAGEDIR}${PREFIX}/libexec/nix/build-remote
 
 	@cd ${STAGEDIR}${PREFIX} && ${STRIP_CMD} ${_STRIP_TARGETS}
 
 .include <bsd.port.mk>
diff --git a/sysutils/nix/distinfo b/sysutils/nix/distinfo
index fb39a467a4ab..ab3c6279f8bb 100644
--- a/sysutils/nix/distinfo
+++ b/sysutils/nix/distinfo
@@ -1,5 +1,7 @@
-TIMESTAMP = 1764968570
+TIMESTAMP = 1776063685
 SHA256 (NixOS-nix-2.32.4_GH0.tar.gz) = b3a63dab4fc3c89a1a746c6debdef1675ed27530969459e5beb8ce6b3c0d9099
 SIZE (NixOS-nix-2.32.4_GH0.tar.gz) = 1954164
-SHA256 (nix-fix-build-with-mdbook-update.patch) = 68a63748895487adf283767cd2fd21bd6ec8b5d59a2d77a9255c8c3157997ccb
-SIZE (nix-fix-build-with-mdbook-update.patch) = 3658
+SHA256 (2636f50dd41fe357ec64430aeeb772328ab2d7cb.patch) = 6199fa6ac6731f6cd0a780e7629e30e94d29f726cf103e9ab1ad29592fc74535
+SIZE (2636f50dd41fe357ec64430aeeb772328ab2d7cb.patch) = 3666
+SHA256 (342faaa1fa0aa3accc3027081b66c7c2ca36670b.patch) = b8365748355ecd43aa02e4c3628ef84eb8af77292364301ca71f523232cdc37f
+SIZE (342faaa1fa0aa3accc3027081b66c7c2ca36670b.patch) = 1480