--- b/devel/libzim/Makefile	
+++ b/devel/libzim/Makefile	
@@ -1,8 +1,9 @@ 
 # $FreeBSD$
 
 PORTNAME=	libzim
-PORTVERSION=	6.3.0
+DISTVERSION=	6.3.0
 CATEGORIES=	devel
+MASTER_SITES=	https://download.openzim.org/release/libzim/
 
 MAINTAINER=	swills@FreeBSD.org
 COMMENT=	Reference implementation of the ZIM specification
@@ -14,10 +15,8 @@ LIB_DEPENDS=	libicui18n.so:devel/icu \
 		libxapian.so:databases/xapian-core \
 		libzstd.so:archivers/zstd
 
-USES=		compiler:c++11-lang meson pkgconfig python:3.4+
+USES=		compiler:c++11-lang meson pkgconfig python:3.4+ tar:xz
 USE_LDCONFIG=	yes
-USE_GITHUB=	yes
-GH_ACCOUNT=	openzim
 
 BINARY_ALIAS=	python3=python${PYTHON_VER} python3-config=python${PYTHON_VER}-config
 PLIST_SUB=	PORTVERSION=${PORTVERSION} PORTMAJ=${PORTVERSION:C/\..*//}
--- b/devel/libzim/distinfo	
+++ b/devel/libzim/distinfo	
@@ -1,3 +1,3 @@ 
-TIMESTAMP = 1607220185
-SHA256 (openzim-libzim-6.3.0_GH0.tar.gz) = 984d2f3881c507c9f0212dc2bc1b808d25cdeef6a62043f9211fcb78a231a986
-SIZE (openzim-libzim-6.3.0_GH0.tar.gz) = 28664137
+TIMESTAMP = 1609667267
+SHA256 (libzim-6.3.0.tar.xz) = edb85a9302fa0d916999fdf9b51d11898125b9a55518f0e5bf29bde49a5d6f4a
+SIZE (libzim-6.3.0.tar.xz) = 27590568