diff --git a/science/py-segyio/Makefile b/science/py-segyio/Makefile
index a3a86b9b8207..7c16fa42e7cf 100644
--- a/science/py-segyio/Makefile
+++ b/science/py-segyio/Makefile
@@ -1,36 +1,37 @@
 PORTNAME=	segyio
-DISTVERSION=	1.9.8
+DISTVERSION=	1.9.9
 CATEGORIES=	science python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python binding for segyio, the seismic data library
 
 LICENSE=	LGPL3+
 
 BUILD_DEPENDS=	cmake:devel/cmake \
+		pybind11>0:devel/pybind11 \
 		${PYTHON_PKGNAMEPREFIX}distro>0:sysutils/py-distro@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pip>0:devel/py-pip@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-runner>=0:devel/py-pytest-runner@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scikit-build>0:devel/py-scikit-build@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools_scm>=0:devel/py-setuptools_scm@${PY_FLAVOR}
 LIB_DEPENDS=	libsegyio.so:science/segyio
 RUN_DEPENDS=	${PYNUMPY}
 
 USES=		compiler:c++11-lang python:3.6+
 USE_PYTHON=	distutils autoplist
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	equinor
 
 WRKSRC_SUBDIR=	python
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/segyio/_segyio*.so
 
 do-test: # tests fail: https://github.com/equinor/segyio/issues/511
 	@cd ${WRKSRC} && \
 		${PYTHON_CMD} ${PYSETUP} build_ext --inplace && \
 		${PYTHON_CMD} ${PYSETUP} test
 
 .include <bsd.port.mk>
diff --git a/science/py-segyio/distinfo b/science/py-segyio/distinfo
index 564e48f0ffd0..7902a925ed80 100644
--- a/science/py-segyio/distinfo
+++ b/science/py-segyio/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1636242712
-SHA256 (equinor-segyio-1.9.8_GH0.tar.gz) = a44ee27b5b3d6e626cbedd20d1a87939e200fde40fa057586775e8ef90369ea0
-SIZE (equinor-segyio-1.9.8_GH0.tar.gz) = 3872379
+TIMESTAMP = 1645201053
+SHA256 (equinor-segyio-1.9.9_GH0.tar.gz) = 1f17d348dbc4a2ece02016fbe73f80151a8003d814ed0e8028e80bd947a074ee
+SIZE (equinor-segyio-1.9.9_GH0.tar.gz) = 3872753
diff --git a/science/segyio/Makefile b/science/segyio/Makefile
index 3ef291ee101d..b6fe6d3e9e93 100644
--- a/science/segyio/Makefile
+++ b/science/segyio/Makefile
@@ -1,20 +1,20 @@
 PORTNAME=	segyio
-DISTVERSION=	1.9.8
+DISTVERSION=	1.9.9
 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>
diff --git a/science/segyio/distinfo b/science/segyio/distinfo
index 5609ee884183..d918333f4d6f 100644
--- a/science/segyio/distinfo
+++ b/science/segyio/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1636242537
-SHA256 (equinor-segyio-1.9.8_GH0.tar.gz) = a44ee27b5b3d6e626cbedd20d1a87939e200fde40fa057586775e8ef90369ea0
-SIZE (equinor-segyio-1.9.8_GH0.tar.gz) = 3872379
+TIMESTAMP = 1645200965
+SHA256 (equinor-segyio-1.9.9_GH0.tar.gz) = 1f17d348dbc4a2ece02016fbe73f80151a8003d814ed0e8028e80bd947a074ee
+SIZE (equinor-segyio-1.9.9_GH0.tar.gz) = 3872753