diff --git a/misc/py-pytorch/Makefile b/misc/py-pytorch/Makefile
index a71d2a5ebb29..e9f1fc05ffdd 100644
--- a/misc/py-pytorch/Makefile
+++ b/misc/py-pytorch/Makefile
@@ -1,59 +1,62 @@
 PORTNAME=	pytorch
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.0.0
+PORTREVISION=	1
 CATEGORIES=	misc # machine-learning
 MASTER_SITES=	https://github.com/pytorch/pytorch/releases/download/v${DISTVERSION}/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DIST_SUBDIR=	${PORTNAME}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	PyTorch: Tensors and dynamic neural networks in Python
 WWW=		https://pytorch.org/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_i386=	build fails: DispatchStub.cpp:162:29: [0m[0;1;31merror: [0m[1muse of undeclared identifier 'AVX2'[0m
 
 BUILD_DEPENDS=	cmake:devel/cmake-core \
 		gmake:devel/gmake \
 		pybind11>0:devel/pybind11 \
 		${LOCALBASE}/include/fxdiv.h:devel/fxdiv \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>0:devel/py-typing-extensions@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>0:devel/py-yaml@${PY_FLAVOR}
 LIB_DEPENDS=	libopenblas.so:math/openblas \
 		libmpi.so:net/openmpi \
 		libonnx.so:misc/onnx \
 		libpthreadpool.so:devel/pthreadpool \
 		libprotobuf.so:devel/protobuf \
 		libsleef.so:math/sleef
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}filelock>0:sysutils/py-filelock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Jinja2>=0:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}networkx>0:math/py-networkx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sympy>0:math/py-sympy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>0:devel/py-typing-extensions@${PY_FLAVOR}
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}dill>0:devel/py-dill@${PY_FLAVOR} # optional dependency
 
 USES=		compiler:c++14-lang localbase:ldflags python
 USE_PYTHON=	distutils autoplist
 
 MAKE_ENV=	USE_NINJA=no # ninja breaks for some reason
 MAKE_ENV+=	BUILD_TEST=0 # ninja breaks for some reason
+MAKE_ENV+=	USE_MKLDNN=0 # disable MKLDNN that doesn't exist, see https://github.com/pytorch/pytorch/issues/100957
+MAKE_ENV+=	USE_CUDNN=0
 LDFLAGS+=	-lexecinfo
 
 BINARY_ALIAS=	make=${GMAKE}
 
 POST_PLIST=	fix-plist
 
 post-install: # strip binaries
 	@${STRIP_CMD} \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/torch/bin/torch_shm_manager \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/torch/_C${PYTHON_EXT_SUFFIX}.so \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/torch/_C_flatbuffer${PYTHON_EXT_SUFFIX}.so \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/functorch/_C${PYTHON_EXT_SUFFIX}.so \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/torch/lib/lib*.so
 
 fix-plist: # remove the stray %%PYTHON_SITELIBDIR%%/caffe2 file
 	@${REINPLACE_CMD} -e "s|.*/caffe2$$||" ${TMPPLIST}
 
 .include <bsd.port.mk>
diff --git a/misc/py-pytorch/files/patch-c10_core_DynamicCast.h b/misc/py-pytorch/files/patch-c10_core_DynamicCast.h
new file mode 100644
index 000000000000..517085e8bdee
--- /dev/null
+++ b/misc/py-pytorch/files/patch-c10_core_DynamicCast.h
@@ -0,0 +1,21 @@
+- workaround for the failuree diring math/dgl build:
+- /usr/local/lib/python3.9/site-packages/torch/include/c10/core/DynamicCast.h:112:22: error: use of undeclared identifier '__assert_fail'
+
+--- c10/core/DynamicCast.h.orig	2023-05-10 02:37:18 UTC
++++ c10/core/DynamicCast.h
+@@ -99,13 +99,13 @@ C10_HOST_DEVICE inline void cast_and_store(
+   template <>                                                 \
+   C10_HOST_DEVICE inline T fetch_and_cast<T>(                 \
+       const ScalarType src_type, const void* ptr) {           \
+-    CUDA_KERNEL_ASSERT(ScalarType::scalartype_ == src_type);  \
++    assert(ScalarType::scalartype_ == src_type);  \
+     return c10::load<T>(ptr);                                 \
+   }                                                           \
+   template <>                                                 \
+   C10_HOST_DEVICE inline void cast_and_store<T>(              \
+       const ScalarType dest_type, void* ptr, T value) {       \
+-    CUDA_KERNEL_ASSERT(ScalarType::scalartype_ == dest_type); \
++    assert(ScalarType::scalartype_ == dest_type); \
+     *(T*)ptr = value;                                         \
+   }
+