Index: head/science/segyio/Makefile
===================================================================
--- head/science/segyio/Makefile	(revision 558003)
+++ head/science/segyio/Makefile	(revision 558004)
@@ -1,22 +1,23 @@
 # $FreeBSD$
 
 PORTNAME=	segyio
-DISTVERSION=	1.9.3
+DISTVERSIONPREFIX=	v
+DISTVERSION=	1.9.4
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library to interact with SEG-Y & Seismic Unix formatted seismic data
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/License.md
 
 USES=		cmake compiler:c++11-lang
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	equinor
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_OFF=	BUILD_PYTHON
 
 .include <bsd.port.mk>
Index: head/science/segyio/distinfo
===================================================================
--- head/science/segyio/distinfo	(revision 558003)
+++ head/science/segyio/distinfo	(revision 558004)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1604794877
-SHA256 (equinor-segyio-1.9.3_GH0.tar.gz) = 4692463c8f37cb0010f6368c765b63ede5232e11c330529d1bc9f977902409a6
-SIZE (equinor-segyio-1.9.3_GH0.tar.gz) = 3873797
+TIMESTAMP = 1607888434
+SHA256 (equinor-segyio-v1.9.4_GH0.tar.gz) = 387980d1d9dcef997340c96a1415058b4d6c8b94ac92611bfcc5cbdd0262dcac
+SIZE (equinor-segyio-v1.9.4_GH0.tar.gz) = 3873838