diff --git a/biology/abyss/Makefile b/biology/abyss/Makefile
index 89eefc25ee1e..91d52df097ac 100644
--- a/biology/abyss/Makefile
+++ b/biology/abyss/Makefile
@@ -1,41 +1,40 @@
 PORTNAME=	abyss
-DISTVERSION=	2.3.0-3
-DISTVERSIONSUFFIX=	-g25f5f66f
+DISTVERSION=	2.3.1
 CATEGORIES=	biology
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Assembly By Short Sequences: parallel, paired-end sequence assembler
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_i386=	result of comparison of constant 18446744073709551615 with expression of type 'size_t', see https://github.com/bcgsc/abyss/issues/310
 
 BUILD_DEPENDS=	${LOCALBASE}/include/boost/version.hpp:devel/boost-libs \
 		ghc:lang/ghc \
 		pandoc:textproc/hs-pandoc # pandoc is required just for one man page: abyss-sealer
 LIB_DEPENDS=	libffi.so:devel/libffi \
 		libgmp.so:math/gmp
 RUN_DEPENDS=	bash:shells/bash \
 		gmake:devel/gmake
 
 USES=		autoreconf compiler:c++11-lang gmake iconv:wchar_t localbase:ldflags shebangfix sqlite
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	bcgsc
 
 SHEBANG_FILES=	bin/${PORTNAME}-* DataBase/abyss-db-txt
 SHEBANG_LANG=	make
 make_OLD_CMD=	/usr/bin/make
 make_CMD=	${PREFIX}/bin/gmake
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--without-sparsehash # configure fails to find std::hash, reported to the ML: https://groups.google.com/forum/#!topic/trans-abyss/SZDBKR5bKxs
 
 OPTIONS_DEFINE=	DOCS
 
 PORTDOCS=	*
 
 PORTSCOUT=	limit:^[0-9\.]*$$ # to ignore alpha-numeric tags
 
 .include <bsd.port.mk>
diff --git a/biology/abyss/distinfo b/biology/abyss/distinfo
index a02b1ba59ee9..864687f7f740 100644
--- a/biology/abyss/distinfo
+++ b/biology/abyss/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1618769259
-SHA256 (bcgsc-abyss-2.3.0-3-g25f5f66f_GH0.tar.gz) = 6345363ad02480f019816eb02ee80a8683ef32415ff756f48c89b02d0c38f8e3
-SIZE (bcgsc-abyss-2.3.0-3-g25f5f66f_GH0.tar.gz) = 1531834
+TIMESTAMP = 1619108885
+SHA256 (bcgsc-abyss-2.3.1_GH0.tar.gz) = b1941d6d975b38d34f41c38b8f4f599fc69d1f37ef3afb71f50318062fb548ea
+SIZE (bcgsc-abyss-2.3.1_GH0.tar.gz) = 1531044