diff --git a/biology/py-dna-features-viewer/Makefile b/biology/py-dna-features-viewer/Makefile
index 4df57a7218ec..851cde8f7f4d 100644
--- a/biology/py-dna-features-viewer/Makefile
+++ b/biology/py-dna-features-viewer/Makefile
@@ -1,23 +1,22 @@
 PORTNAME=	dna-features-viewer
-DISTVERSION=	3.1.0
-PORTREVISION=	2
+DISTVERSION=	3.1.1
 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} \
 		${PYTHON_PKGNAMEPREFIX}packaging>0:devel/py-packaging@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>
diff --git a/biology/py-dna-features-viewer/distinfo b/biology/py-dna-features-viewer/distinfo
index 8131a2c7de96..dd127f598810 100644
--- a/biology/py-dna-features-viewer/distinfo
+++ b/biology/py-dna-features-viewer/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1643841661
-SHA256 (dna_features_viewer-3.1.0.tar.gz) = 1430bbd861b4fa4a1855fb9554577bc1b2e969a6d1921882bb2de56902cd63ca
-SIZE (dna_features_viewer-3.1.0.tar.gz) = 34795
+TIMESTAMP = 1651931490
+SHA256 (dna_features_viewer-3.1.1.tar.gz) = 8b61bfb1bf3aab818b42391a607bfb420a9bc3c3f22344ab7bedea7160bd4581
+SIZE (dna_features_viewer-3.1.1.tar.gz) = 37766