diff --git a/biology/py-dna-features-viewer/Makefile b/biology/py-dna-features-viewer/Makefile
index 68b76e64e69a..4df57a7218ec 100644
--- a/biology/py-dna-features-viewer/Makefile
+++ b/biology/py-dna-features-viewer/Makefile
@@ -1,22 +1,23 @@
 PORTNAME=	dna-features-viewer
 DISTVERSION=	3.1.0
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	biology python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	dna_features_viewer-${PORTVERSION}
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Python library to visualize DNA features, e.g. GenBank or Gff files
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENCE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}matplotlib>=3:math/py-matplotlib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}biopython>0:biology/py-biopython@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}bcbio-gff>0:biology/py-bcbio-gff@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}bcbio-gff>0:biology/py-bcbio-gff@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}packaging>0:devel/py-packaging@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>