diff --git a/science/openmc/Makefile b/science/openmc/Makefile
index 3e719d598ae4..2379ec674c0b 100644
--- a/science/openmc/Makefile
+++ b/science/openmc/Makefile
@@ -1,7 +1,6 @@
 PORTNAME=	openmc
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.12.2
-PORTREVISION=	1
+DISTVERSION=	0.13.0
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
@@ -13,6 +12,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 BUILD_DEPENDS=	xtensor>0:math/xtensor
 LIB_DEPENDS=	libfmt.so:devel/libfmt \
 		libhdf5.so:science/hdf5 \
+		libpng16.so:graphics/png \
 		libpugixml.so:textproc/pugixml \
 		libsz.so:science/szip
 
diff --git a/science/openmc/distinfo b/science/openmc/distinfo
index cfecd2e87c2b..3ebc10182f08 100644
--- a/science/openmc/distinfo
+++ b/science/openmc/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1633803853
-SHA256 (openmc-dev-openmc-v0.12.2_GH0.tar.gz) = 29ca66d0e7140357d747516807c91cbf1aace0ebc29dfe9650e9da3c2975dd94
-SIZE (openmc-dev-openmc-v0.12.2_GH0.tar.gz) = 8316985
+TIMESTAMP = 1652042069
+SHA256 (openmc-dev-openmc-v0.13.0_GH0.tar.gz) = d8ce9c49b398c3e7d99f24d73f8252c77ec764d9230a25e23798c4c4f3a4fb04
+SIZE (openmc-dev-openmc-v0.13.0_GH0.tar.gz) = 5285020
 SHA256 (martinmoene-gsl-lite-913e86d_GH0.tar.gz) = 53f4ad67e182d58161ec297593af4139ccb2a8fd712ba9cd77d129b6f87c6b3b
 SIZE (martinmoene-gsl-lite-913e86d_GH0.tar.gz) = 105966
diff --git a/science/openmc/pkg-plist b/science/openmc/pkg-plist
index 58e11ae2a3d2..d86d03ed637e 100644
--- a/science/openmc/pkg-plist
+++ b/science/openmc/pkg-plist
@@ -2,7 +2,6 @@ bin/openmc
 include/faddeeva/Faddeeva.cc
 include/faddeeva/Faddeeva.hh
 include/gsl-lite/gsl-lite.hpp
-include/gsl/gsl
 include/gsl/gsl-lite.hpp
 include/openmc/angle_energy.h
 include/openmc/array.h
@@ -25,6 +24,7 @@ include/openmc/eigenvalue.h
 include/openmc/endf.h
 include/openmc/error.h
 include/openmc/event.h
+include/openmc/external/quartic_solver.h
 include/openmc/file_utils.h
 include/openmc/finalize.h
 include/openmc/geometry.h
@@ -95,6 +95,7 @@ include/openmc/tallies/filter_polar.h
 include/openmc/tallies/filter_sph_harm.h
 include/openmc/tallies/filter_sptl_legendre.h
 include/openmc/tallies/filter_surface.h
+include/openmc/tallies/filter_time.h
 include/openmc/tallies/filter_universe.h
 include/openmc/tallies/filter_zernike.h
 include/openmc/tallies/tally.h
@@ -108,6 +109,7 @@ include/openmc/vector.h
 include/openmc/version.h
 include/openmc/version.h.in
 include/openmc/volume_calc.h
+include/openmc/weight_windows.h
 include/openmc/wmp.h
 include/openmc/xml_interface.h
 include/openmc/xsdata.h
diff --git a/science/py-OpenMC/Makefile b/science/py-OpenMC/Makefile
index 707b3e442066..361f3eb67bff 100644
--- a/science/py-OpenMC/Makefile
+++ b/science/py-OpenMC/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	OpenMC
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.12.2
+DISTVERSION=	0.13.0
 CATEGORIES=	science
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
diff --git a/science/py-OpenMC/distinfo b/science/py-OpenMC/distinfo
index 1250d121dfe1..810a30cc53fb 100644
--- a/science/py-OpenMC/distinfo
+++ b/science/py-OpenMC/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1633806014
-SHA256 (openmc-dev-openmc-v0.12.2_GH0.tar.gz) = 29ca66d0e7140357d747516807c91cbf1aace0ebc29dfe9650e9da3c2975dd94
-SIZE (openmc-dev-openmc-v0.12.2_GH0.tar.gz) = 8316985
+TIMESTAMP = 1652042411
+SHA256 (openmc-dev-openmc-v0.13.0_GH0.tar.gz) = d8ce9c49b398c3e7d99f24d73f8252c77ec764d9230a25e23798c4c4f3a4fb04
+SIZE (openmc-dev-openmc-v0.13.0_GH0.tar.gz) = 5285020