diff --git a/math/blahtexml/Makefile b/math/blahtexml/Makefile
index 14c851e4ad48..f86f51ff37ec 100644
--- a/math/blahtexml/Makefile
+++ b/math/blahtexml/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	blahtexml
-DISTVERSION=	0.9 # not tagged, version is stated in the README
+DISTVERSIONPREFIX=	v
+DISTVERSION=	1.0
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	TeX to MathML converter designed with MediaWiki in mind
 WWW=		http://gva.noekeon.org/blahtexml/
 
 LICENSE=	BSD3CLAUSE
 
 LIB_DEPENDS=	libiconv.so:converters/libiconv \
 		libxerces-c.so:textproc/xerces-c3
 
 USES=		gmake localbase:ldflags
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	gvanas
-GH_TAGNAME=	92f2c5f
 
 MAKEFILE=	makefile
 MAKE_ARGS=	CFLAGS="${CFLAGS}"
 
 ALL_TARGET=	blahtexml-linux
 
 LDFLAGS+=	-liconv
 
 PLIST_FILES=	bin/${PORTNAME}
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>
diff --git a/math/blahtexml/distinfo b/math/blahtexml/distinfo
index c901bfa56818..d8710a4edaee 100644
--- a/math/blahtexml/distinfo
+++ b/math/blahtexml/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1632381802
-SHA256 (gvanas-blahtexml-0.9-92f2c5f_GH0.tar.gz) = c7ca4e791c551f2618e2614ad99674b536989676509e330ed5613adca1b4acd1
-SIZE (gvanas-blahtexml-0.9-92f2c5f_GH0.tar.gz) = 191102
+TIMESTAMP = 1680029942
+SHA256 (gvanas-blahtexml-v1.0_GH0.tar.gz) = ef746642b1371f591b222ce3461c08656734c32ad3637fd0574d91e83995849e
+SIZE (gvanas-blahtexml-v1.0_GH0.tar.gz) = 191236