diff --git a/biology/abyss/Makefile b/biology/abyss/Makefile
index 3ba678ac236b..47cf5dc4fce8 100644
--- a/biology/abyss/Makefile
+++ b/biology/abyss/Makefile
@@ -1,53 +1,52 @@
 PORTNAME=	abyss
-DISTVERSION=	2.3.7
-PORTREVISION=	2
+DISTVERSION=	2.3.8
 CATEGORIES=	biology
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Assembly By Short Sequences: parallel, paired-end sequence assembler
 WWW=		https://www.bcgsc.ca/resources/software/abyss
 
 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=	libbtllib.so:biology/btllib \
 		libffi.so:devel/libffi \
 		libgmp.so:math/gmp \
 		libmpich.so:net/mpich # binaries aren't linked with libmpich.so for some reason
 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
 GNU_CONFIGURE_MANPREFIX=	${PREFIX}/share
 
 TEST_TARGET=	check # tests fail to compile, see https://github.com/bcgsc/abyss/issues/453
 
 OPTIONS_DEFINE=	DOCS
 
 PORTDOCS=	*
 
 PORTSCOUT=	limit:^[0-9\.]*$$ # to ignore alpha-numeric tags
 
 .include <bsd.port.pre.mk>
 
 .if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400079 || ( ${OSVERSION} >= 1302505 && ${OSVERSION} < 1400000 ))
 CFLAGS+=	-Wno-error=unused-but-set-variable
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/biology/abyss/distinfo b/biology/abyss/distinfo
index f27d6fc7904a..8c8dd13176d4 100644
--- a/biology/abyss/distinfo
+++ b/biology/abyss/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1689963359
-SHA256 (bcgsc-abyss-2.3.7_GH0.tar.gz) = eb1d814621ad2accaf19ea009453af891b29663de9f96c0da32c83fbfb71b85e
-SIZE (bcgsc-abyss-2.3.7_GH0.tar.gz) = 1323221
+TIMESTAMP = 1721677045
+SHA256 (bcgsc-abyss-2.3.8_GH0.tar.gz) = 1fe164b6dc99e40f91bdefd8884fc2acf32888940772d0b9fcbfa80611bfc14b
+SIZE (bcgsc-abyss-2.3.8_GH0.tar.gz) = 1323791