diff --git a/biology/diamond/Makefile b/biology/diamond/Makefile
index 28d02480886a..7716c930c43a 100644
--- a/biology/diamond/Makefile
+++ b/biology/diamond/Makefile
@@ -1,21 +1,21 @@
 PORTNAME=	diamond
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.1.6
+DISTVERSION=	2.1.8
 CATEGORIES=	biology
 
 MAINTAINER=	jrm@FreeBSD.org
 COMMENT=	BLAST-compatible local sequence aligner
 WWW=		http://ab.inf.uni-tuebingen.de/software/diamond/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	aarch64 amd64 powerpc64 powerpc64le
 
 USES=		cmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	bbuchfink
 
 PLIST_FILES=	bin/diamond
 
 .include <bsd.port.mk>
diff --git a/biology/diamond/distinfo b/biology/diamond/distinfo
index 9f0494ae6fd0..e41c5047d693 100644
--- a/biology/diamond/distinfo
+++ b/biology/diamond/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1679152380
-SHA256 (bbuchfink-diamond-v2.1.6_GH0.tar.gz) = 852d27c7535d53f1ce59db0625ff23ac3bf17e57f7a3b1c46c08718f77e19c54
-SIZE (bbuchfink-diamond-v2.1.6_GH0.tar.gz) = 19009454
+TIMESTAMP = 1688755811
+SHA256 (bbuchfink-diamond-v2.1.8_GH0.tar.gz) = b6088259f2bc92d1f9dc4add44590cff68321bcbf91eefbc295a3525118b9415
+SIZE (bbuchfink-diamond-v2.1.8_GH0.tar.gz) = 19027152