diff --git a/lang/mujs/Makefile b/lang/mujs/Makefile
index 9841489cb1d6..9e91f06fbaea 100644
--- a/lang/mujs/Makefile
+++ b/lang/mujs/Makefile
@@ -1,73 +1,89 @@
 PORTNAME=	mujs
-DISTVERSION=	1.3.5
+DISTVERSION=	1.3.8
 CATEGORIES=	lang devel
+MASTER_SITES=	https://codeberg.org/ccxvii/mujs/archive/${DISTVERSIONFULL}${EXTRACT_SUFX}?dummy=/ \
+		https://www.unicode.org/Public/16.0.0/ucd/:unicode
+DIST_SUBDIR=	${PORTNAME}-${DISTVERSION}
+DISTFILES=	UnicodeData.txt:unicode \
+		SpecialCasing.txt:unicode \
+		${PORTNAME}-${DISTVERSION}${EXTRACT_SUFX}
+EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Embeddable Javascript interpreter in C
-WWW=		https://mujs.com/
+WWW=		https://mujs.com/ \
+		https://github.com/ccxvii/mujs \
+		https://codeberg.org/ccxvii/mujs
 
 LICENSE=	ISCL
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BUILD_DEPENDS=	curl:ftp/curl
 TEST_DEPENDS=	git:devel/git
 
-USES=		compiler:c11 cpe gmake readline # c11 is induced by the FreeBSD headers via isnan(3), etc, otherwise the project is all c99 code
-CPE_VENDOR=	artifex
+USES=		compiler:c11 cpe gmake python:build readline # c11 is induced by the FreeBSD headers via isnan(3), etc, otherwise the project is all c99 code
 USE_LDCONFIG=	yes
 
-USE_GITHUB=	yes
-GH_ACCOUNT=	ccxvii
+CPE_VENDOR=	artifex
+
+WRKSRC=		${WRKDIR}/${PORTNAME}
 
 LDFLAGS=	-Wl,-soname=libmujs.so
 
 ALL_TARGET=	build/release/mujs \
 		build/release/libmujs.so \
 		build/release/libmujs.a
 INSTALL_TARGET=	install-shared install-static
 
 .if defined(WITH_DEBUG) # this project manages its build options itself
 MAKE_ARGS=	build=debug
 .endif
 
+BINARY_ALIAS=	python3=${PYTHON_CMD}
+
 PLIST_FILES=	bin/mujs \
 		bin/mujs-pp \
 		include/mujs.h \
 		lib/libmujs.so \
 		lib/libmujs.a \
 		libdata/pkgconfig/mujs.pc
 
 OPTIONS_DEFINE=		32BIT SANITIZED
 OPTIONS_DEFAULT=	32BIT
 
 32BIT_DESC=		32-bit address space to allow for larger programs
 32BIT_MAKE_ARGS=	XCFLAGS="-DJS_INSTRUCTION=int"
 
 SANITIZED_DESC=		Sanitized build (only for debugging)
 SANITIZED_MAKE_ARGS=	build=sanitize
 
+post-patch:
+	${REINPLACE_CMD} -e 's|https://www.unicode.org/Public/16.0.0/ucd/|file://${DISTDIR}/${DIST_SUBDIR}/|g' \
+		${WRKSRC}/Makefile
+
 post-install:
 	@${STRIP_CMD} \
 		${STAGEDIR}${PREFIX}/bin/mujs \
 		${STAGEDIR}${PREFIX}/bin/mujs-pp \
 		${STAGEDIR}${PREFIX}/lib/libmujs.so
 
 do-test: # Test-262 JavaScript testsuite is downloaded and run.
 	# Something is off with the test harness so too many tests fail: https://github.com/ccxvii/mujs/issues/147
 	${RM} -r ${WRKDIR}/testing && \
 	${MKDIR} -p ${WRKDIR}/testing && \
 	cd ${WRKDIR}/testing && \
 	git clone https://github.com/tc39/test262.git && \
 	fetch https://github.com/ccxvii/mujs/files/2332077/mujs-test262-harness-and-output.zip && \
 	unzip mujs-test262-harness-and-output.zip && \
 	(${TAIL} -3 mujs-harness-out.txt > mujs-harness-out-3.txt) && \
 	cd test262 && \
 	git checkout es5-tests && \
 	${ECHO} "Running MuJS tests ..." && \
 	(${FIND} test/suite -name '*.js' | ${STAGEDIR}${PREFIX}/bin/mujs ../mujs-harness.js > mujs-harness-out-our.txt) && \
 	${ECHO} "MuJS tests finished: " && \
 	(${TAIL} -3 mujs-harness-out-our.txt | tee mujs-harness-out-our-3.txt) && \
 	${ECHO} "" && \
 	${ECHO} "Compare with reference results:" && \
 	${DIFF} ../mujs-harness-out-3.txt mujs-harness-out-our-3.txt
 
 .include <bsd.port.mk>
diff --git a/lang/mujs/distinfo b/lang/mujs/distinfo
index bb5fb7742910..eb6823e09b3a 100644
--- a/lang/mujs/distinfo
+++ b/lang/mujs/distinfo
@@ -1,3 +1,7 @@
-TIMESTAMP = 1718952938
-SHA256 (ccxvii-mujs-1.3.5_GH0.tar.gz) = 78a311ae4224400774cb09ef5baa2633c26971513f8b931d3224a0eb85b13e0b
-SIZE (ccxvii-mujs-1.3.5_GH0.tar.gz) = 128938
+TIMESTAMP = 1764086141
+SHA256 (mujs-1.3.8/UnicodeData.txt) = ff58e5823bd095166564a006e47d111130813dcf8bf234ef79fa51a870edb48f
+SIZE (mujs-1.3.8/UnicodeData.txt) = 2175362
+SHA256 (mujs-1.3.8/SpecialCasing.txt) = 8d5de354eef79f2395a54c9c7dcebbaf3d30fc962d0f85611ea97aa973a0c451
+SIZE (mujs-1.3.8/SpecialCasing.txt) = 16809
+SHA256 (mujs-1.3.8/mujs-1.3.8.tar.gz) = 10e8548033924ada0828a821777371861ea3e127d472e8423ad87426118291d9
+SIZE (mujs-1.3.8/mujs-1.3.8.tar.gz) = 130318