diff --git a/devel/dasm/Makefile b/devel/dasm/Makefile
index ce101cebc420..180f131ac257 100644
--- a/devel/dasm/Makefile
+++ b/devel/dasm/Makefile
@@ -1,35 +1,36 @@
 PORTNAME=	dasm
-DISTVERSION=	2.20.14.1
+DISTVERSIONPREFIX=	v
+DISTVERSION=	2.20.17
 CATEGORIES=	devel
 
 MAINTAINER=	fuz@FreeBSD.org
 COMMENT=	Macro assembler with support for several 8-bit microprocessors
 WWW=		https://dasm-assembler.github.io/
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		gmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	dasm-assembler
 TEST_TARGET=	test
 
 PLIST_FILES=	bin/dasm \
 		bin/ftohex \
 		share/man/man1/dasm.1.gz
 PORTDOCS=	dasm.txt \
 		dasm.pdf \
 		ftohex.txt
 
 OPTIONS_DEFINE=	DOCS
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/dasm ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/ftohex ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/docs/dasm.1 ${STAGEDIR}${PREFIX}/share/man/man1
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 .for file in ${PORTDOCS}
 	${INSTALL_MAN} ${WRKSRC}/docs/${file} ${STAGEDIR}${DOCSDIR}
 .endfor
 
 .include <bsd.port.mk>
diff --git a/devel/dasm/distinfo b/devel/dasm/distinfo
index 295a043c0d27..c80b9ac942d3 100644
--- a/devel/dasm/distinfo
+++ b/devel/dasm/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1627909232
-SHA256 (dasm-assembler-dasm-2.20.14.1_GH0.tar.gz) = ec71ffd10eeaa70bf7587ee0d79a92cd3f0a017c0d6d793e37d10359ceea663a
-SIZE (dasm-assembler-dasm-2.20.14.1_GH0.tar.gz) = 980412
+TIMESTAMP = 1782467066
+SHA256 (dasm-assembler-dasm-v2.20.17_GH0.tar.gz) = 4755532fe8c990c8616b4cfbe22c3fe5820e40476343da01e088b617bd2d1144
+SIZE (dasm-assembler-dasm-v2.20.17_GH0.tar.gz) = 1501712