diff --git a/biology/diamond/Makefile b/biology/diamond/Makefile
index 28d02480886a6..7716c930c43ac 100644
--- a/biology/diamond/Makefile
+++ b/biology/diamond/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	diamond
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.1.6
+DISTVERSION=	2.1.8
 CATEGORIES=	biology
 
 MAINTAINER=	jrm@FreeBSD.org
diff --git a/biology/diamond/distinfo b/biology/diamond/distinfo
index 9f0494ae6fd0a..e41c5047d693e 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