diff --git a/biology/vcflib/Makefile b/biology/vcflib/Makefile
index 1f41ab06b838..a42fa6c8898e 100644
--- a/biology/vcflib/Makefile
+++ b/biology/vcflib/Makefile
@@ -1,35 +1,36 @@
 PORTNAME=		vcflib
 DISTVERSIONPREFIX=	v
 DISTVERSION=		1.0.3
+PORTREVISION=		1
 CATEGORIES=		biology
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	C++ library and CLI tools for parsing and manipulating VCF files
 WWW=		https://github.com/vcflib/vcflib
 
 LICENSE=	MIT
 
 LIB_DEPENDS=	libhts.so:biology/htslib \
 		libtabix.so:biology/tabixpp
 
 USES=		cmake localbase:ldflags pkgconfig python shebangfix
 USE_GITHUB=	yes
 
 GH_ACCOUNT=	ekg
 GH_TUPLE=	ekg:fastahack:bb33265:fastahack/fastahack \
 		ekg:filevercmp:1a9b779:filevercmp/filevercmp \
 		ekg:fsom:a6ef318:fsom/fsom \
 		google:googletest:d225acc:googletest/googletest \
 		ekg:intervaltree:aa59377:intervaltree/intervaltree \
 		edawson:libVCFH:44b6580:libVCFH/libVCFH \
 		ekg:multichoose:68733cd:multichoose/multichoose \
 		ekg:smithwaterman:2610e25:smithwaterman/smithwaterman \
 		simd-everywhere:simde-no-tests:9af03cd:simd/src/simde
 SHEBANG_FILES=	scripts/*
 
 # Clang and GCC disable sse2 by default on i386, but it's required for vcflib
 CFLAGS_i386=	-msse2
 
 CONFLICTS_INSTALL=	filevercmp libdisorder # include/disorder.h include/filevercmp.h include/pdflib.hpp
 
 .include <bsd.port.mk>