diff --git a/biology/unikmer/Makefile b/biology/unikmer/Makefile
index 97b9df586bc8..327bdb52446d 100644
--- a/biology/unikmer/Makefile
+++ b/biology/unikmer/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	unikmer
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.18.1
+DISTVERSION=	0.18.3
 CATEGORIES=	biology
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Toolkit for nucleic acid k-mer analysis, set operations on k-mers
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		go:modules
 
 GO_MODULE=	github.com/shenwei356/unikmer
 GO_TARGET=	./${PORTNAME}
 
 PLIST_FILES=	bin/${PORTNAME}
 
 .include <bsd.port.mk>
diff --git a/biology/unikmer/distinfo b/biology/unikmer/distinfo
index b33504deba1f..45a0a5ba891a 100644
--- a/biology/unikmer/distinfo
+++ b/biology/unikmer/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1624569243
-SHA256 (go/biology_unikmer/unikmer-v0.18.1/v0.18.1.mod) = 6ccade17e0fdfc86ebaa0683f7aab4e3c94019032e0d0f4c78bf957a2a8f9c1b
-SIZE (go/biology_unikmer/unikmer-v0.18.1/v0.18.1.mod) = 881
-SHA256 (go/biology_unikmer/unikmer-v0.18.1/v0.18.1.zip) = a41e3c4770574bc07780ef9a5cdae1f6fcff6b2867232eda76d9ce13242cd1cf
-SIZE (go/biology_unikmer/unikmer-v0.18.1/v0.18.1.zip) = 4271648
+TIMESTAMP = 1627492000
+SHA256 (go/biology_unikmer/unikmer-v0.18.3/v0.18.3.mod) = 6ccade17e0fdfc86ebaa0683f7aab4e3c94019032e0d0f4c78bf957a2a8f9c1b
+SIZE (go/biology_unikmer/unikmer-v0.18.3/v0.18.3.mod) = 881
+SHA256 (go/biology_unikmer/unikmer-v0.18.3/v0.18.3.zip) = 11302e47c018908a9c6dfc140b9d45d744dee6d9aca36a863661d67be0262825
+SIZE (go/biology_unikmer/unikmer-v0.18.3/v0.18.3.zip) = 4271855