diff --git a/biology/jellyfish/Makefile b/biology/jellyfish/Makefile
index d66105b1ba96..fb41abe4c10e 100644
--- a/biology/jellyfish/Makefile
+++ b/biology/jellyfish/Makefile
@@ -1,46 +1,43 @@
 PORTNAME=		Jellyfish
-DISTVERSIONPREFIX=	v
-DISTVERSION=		2.3.0
-PORTREVISION=		4
+DISTVERSION=		2.3.1
 CATEGORIES=		biology
-MASTER_SITES=		https://github.com/gmarcais/${PORTNAME}/releases/download/v2.3.0/	# Custom distfile reduces dependencies
-DISTNAME=		${PORTNAME:tl}-${DISTVERSION}
+MASTER_SITES=		https://github.com/gmarcais/${PORTNAME}/releases/download/v${DISTVERSION}/	# Custom distfile reduces dependencies
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Fast, memory-efficient counting of k-mers in DNA
-WWW=		http://www.genome.umd.edu/jellyfish.html
+WWW=		https://www.genome.umd.edu/jellyfish.html
 
 LICENSE=	BSD3CLAUSE GPLv3+
 LICENSE_COMB=	dual
 LICENSE_FILE_BSD3CLAUSE=	${WRKSRC}/LICENSE-BSD-3-Clause
-LICENSE_FILE_GPLv3+ =		${WRKSRC}/LICENSE-GPL-3.0
+LICENSE_FILE_GPLv3=		${WRKSRC}/LICENSE-GPL-3.0
 
 LIB_DEPENDS=	libhts.so:biology/htslib
 
 USES=		compiler:c++11-lib libtool
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
-GNU_CONFIGURE_MANPREFIX=	${PREFIX}/share
+WRKSRC=		${WRKDIR}/${PORTNAME:tl}-${PORTVERSION}
 
 INSTALL_TARGET=	install-strip
 PLIST_SUB=	VER=${PORTVERSION}
 
 OPTIONS_DEFINE=		NLS
 OPTIONS_SUB=		yes
 
 NLS_USES=		gettext
 NLS_CONFIGURE_ENABLE=	nls
 
 .include <bsd.port.pre.mk>
 
 # SSE code assumes amd64 features
 .if ${ARCH} != "amd64"
 CONFIGURE_ARGS+=--without-sse
 .endif
 
 .if ${CHOSEN_COMPILER_TYPE} == gcc
 CXXFLAGS+=	-faligned-new
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/biology/jellyfish/distinfo b/biology/jellyfish/distinfo
index 9cb65c74783b..83071f1f1473 100644
--- a/biology/jellyfish/distinfo
+++ b/biology/jellyfish/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1631812776
-SHA256 (jellyfish-2.3.0.tar.gz) = e195b7cf7ba42a90e5e112c0ed27894cd7ac864476dc5fb45ab169f5b930ea5a
-SIZE (jellyfish-2.3.0.tar.gz) = 1151287
+TIMESTAMP = 1788270192
+SHA256 (Jellyfish-2.3.1.tar.gz) = ee032b57257948ca0f0610883099267572c91a635eecbd88ae5d8974c2430fcd
+SIZE (Jellyfish-2.3.1.tar.gz) = 1151250