Index: devel/py-protobuf/Makefile
===================================================================
RCS file: /cvs/ports/devel/py-protobuf/Makefile,v
diff -u -p -u -r1.82 Makefile
--- devel/py-protobuf/Makefile	18 Sep 2026 21:55:04 -0000	1.82
+++ devel/py-protobuf/Makefile	14 Oct 2026 17:59:25 -0000
@@ -1,13 +1,8 @@
 COMMENT=		Google data interchange format (protocol buffers)
 
-PYMAJOR=		7
-PROTOBUF_VERSION=	36.2
+MODPY_DISTV =	6.33.6
 
-V=			${PYMAJOR}.${PROTOBUF_VERSION}
-MODPY_DISTV=		${V:S/-//g}
-TAG=			v${PROTOBUF_VERSION:S/rc-/rc/}
-
-DISTNAME=		protobuf-${MODPY_DISTV}
+DISTNAME =	protobuf-${MODPY_DISTV}
 PKGNAME=		py-protobuf-${MODPY_DISTV}
 
 # C11
@@ -24,11 +19,12 @@ PERMIT_PACKAGE=		Yes
 MODULES=		lang/python
 
 MODPY_PI=		Yes
-MODPY_PYBUILD=		setuptools
-
-BUILD_DEPENDS=		devel/protobuf
+MODPY_PYBUILD =	setuptools
 
 # No tests in sources on PyPi
 NO_TEST=		Yes
+
+# Google Cloud AI Platform and grpcio-status require protobuf <7.
+PORTROACH =	limit:^6\.
 
 .include <bsd.port.mk>
Index: devel/py-protobuf/distinfo
===================================================================
RCS file: /cvs/ports/devel/py-protobuf/distinfo,v
diff -u -p -u -r1.64 distinfo
--- devel/py-protobuf/distinfo	18 Sep 2026 21:55:04 -0000	1.64
+++ devel/py-protobuf/distinfo	14 Oct 2026 17:59:25 -0000
@@ -1,2 +1,2 @@
-SHA256 (protobuf-7.36.2.tar.gz) = SX0EY/8zFmgdpsC56NBstGXWGrzgC2E6tCImF1ZE0bs=
-SIZE (protobuf-7.36.2.tar.gz) = 512737
+SHA256 (protobuf-6.33.6.tar.gz) = pnaNJSSDEsKXVYr5ap+ckp6MTO4GWcsH54BzEJXzgTU=
+SIZE (protobuf-6.33.6.tar.gz) = 444531
Index: devel/py-protobuf/pkg/PLIST
===================================================================
RCS file: /cvs/ports/devel/py-protobuf/pkg/PLIST,v
diff -u -p -u -r1.22 PLIST
--- devel/py-protobuf/pkg/PLIST	5 Sep 2026 06:11:31 -0000	1.22
+++ devel/py-protobuf/pkg/PLIST	14 Oct 2026 17:59:25 -0000
@@ -1,4 +1,3 @@
-@pkgpath devel/py-protobuf,python3
 lib/python${MODPY_VERSION}/site-packages/google/
 lib/python${MODPY_VERSION}/site-packages/google/__init__.py
 lib/python${MODPY_VERSION}/site-packages/google/${MODPY_PYCACHE}/
@@ -33,12 +32,8 @@ lib/python${MODPY_VERSION}/site-packages
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}empty_pb2.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}field_mask_pb2.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}field_mask_pb2.${MODPY_PYC_MAGIC_TAG}pyc
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}json_enumvalue_options_pb2.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}json_enumvalue_options_pb2.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}json_format.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}json_format.${MODPY_PYC_MAGIC_TAG}pyc
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}json_options_pb2.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}json_options_pb2.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}message.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}message.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/${MODPY_PYCACHE}message_factory.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
@@ -85,11 +80,8 @@ lib/python${MODPY_VERSION}/site-packages
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/${MODPY_PYCACHE}/
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/${MODPY_PYCACHE}__init__.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/${MODPY_PYCACHE}__init__.${MODPY_PYC_MAGIC_TAG}pyc
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/${MODPY_PYCACHE}descriptor_pb2.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/${MODPY_PYCACHE}descriptor_pb2.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/${MODPY_PYCACHE}plugin_pb2.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/${MODPY_PYCACHE}plugin_pb2.${MODPY_PYC_MAGIC_TAG}pyc
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/descriptor_pb2.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/compiler/plugin_pb2.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/descriptor.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/descriptor_database.py
@@ -120,10 +112,6 @@ lib/python${MODPY_VERSION}/site-packages
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}extension_dict.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}field_mask.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}field_mask.${MODPY_PYC_MAGIC_TAG}pyc
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}json_format_benchmark.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}json_format_benchmark.${MODPY_PYC_MAGIC_TAG}pyc
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}message_benchmark.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}message_benchmark.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}message_listener.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}message_listener.${MODPY_PYC_MAGIC_TAG}pyc
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/${MODPY_PYCACHE}python_edition_defaults.${MODPY_PYC_MAGIC_TAG}${MODPY_PYOEXTENSION}
@@ -146,8 +134,6 @@ lib/python${MODPY_VERSION}/site-packages
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/enum_type_wrapper.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/extension_dict.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/field_mask.py
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/json_format_benchmark.py
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/message_benchmark.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/message_listener.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/python_edition_defaults.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/python_message.py
@@ -155,9 +141,7 @@ lib/python${MODPY_VERSION}/site-packages
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/type_checkers.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/well_known_types.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/internal/wire_format.py
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/json_enumvalue_options_pb2.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/json_format.py
-lib/python${MODPY_VERSION}/site-packages/google/protobuf/json_options_pb2.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/message.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/message_factory.py
 lib/python${MODPY_VERSION}/site-packages/google/protobuf/proto.py