diff --git a/.flake8 b/.flake8
index 29227d4..2e43874 100644
--- a/.flake8
+++ b/.flake8
@@ -16,7 +16,7 @@
 
 # Generated by synthtool. DO NOT EDIT!
 [flake8]
-ignore = E203, E266, E501, W503
+ignore = E203, E231, E266, E501, W503
 exclude =
   # Exclude generated code.
   **/proto/**
diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 44c78f7..757c9dc 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,4 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:4e1991042fe54b991db9ca17c8fb386e61b22fe4d1472a568bf0fcac85dcf5d3
+  digest: sha256:81ed5ecdfc7cac5b699ba4537376f3563f6f04122c4ec9e735d3b3dc1d43dd32
+# created: 2022-05-05T22:08:23.383410683Z
diff --git a/.github/auto-approve.yml b/.github/auto-approve.yml
new file mode 100644
index 0000000..311ebbb
--- /dev/null
+++ b/.github/auto-approve.yml
@@ -0,0 +1,3 @@
+# https://github.com/googleapis/repo-automation-bots/tree/main/packages/auto-approve
+processes:
+  - "OwlBotTemplateChanges"
diff --git a/.github/auto-label.yaml b/.github/auto-label.yaml
new file mode 100644
index 0000000..41bff0b
--- /dev/null
+++ b/.github/auto-label.yaml
@@ -0,0 +1,15 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+requestsize:
+  enabled: true
diff --git a/.github/release-please.yml b/.github/release-please.yml
index 466597e..6def37a 100644
--- a/.github/release-please.yml
+++ b/.github/release-please.yml
@@ -1,2 +1,8 @@
 releaseType: python
 handleGHRelease: true
+# NOTE: this section is generated by synthtool.languages.python
+# See https://github.com/googleapis/synthtool/blob/master/synthtool/languages/python.py
+branches:
+- branch: v0
+  handleGHRelease: true
+  releaseType: python
diff --git a/.kokoro/docker/docs/Dockerfile b/.kokoro/docker/docs/Dockerfile
index 4e1b1fb..238b87b 100644
--- a/.kokoro/docker/docs/Dockerfile
+++ b/.kokoro/docker/docs/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ubuntu:20.04
+from ubuntu:22.04
 
 ENV DEBIAN_FRONTEND noninteractive
 
@@ -60,8 +60,24 @@ RUN apt-get update \
   && rm -rf /var/lib/apt/lists/* \
   && rm -f /var/cache/apt/archives/*.deb
 
+###################### Install python 3.8.11
+
+# Download python 3.8.11
+RUN wget https://www.python.org/ftp/python/3.8.11/Python-3.8.11.tgz
+
+# Extract files
+RUN tar -xvf Python-3.8.11.tgz
+
+# Install python 3.8.11
+RUN ./Python-3.8.11/configure --enable-optimizations
+RUN make altinstall
+
+###################### Install pip
 RUN wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
-  && python3.8 /tmp/get-pip.py \
+  && python3 /tmp/get-pip.py \
   && rm /tmp/get-pip.py
 
+# Test pip
+RUN python3 -m pip
+
 CMD ["python3.8"]
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 62eb5a7..46d2371 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,7 +22,7 @@ repos:
     -   id: end-of-file-fixer
     -   id: check-yaml
 -   repo: https://github.com/psf/black
-    rev: 19.10b0
+    rev: 22.3.0
     hooks:
     - id: black
 -   repo: https://gitlab.com/pycqa/flake8
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 921c70b..4566189 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,14 @@
 # Changelog
 
-### [1.0.1](https://github.com/googleapis/python-cloud-common/compare/v1.0.0...v1.0.1) (2022-03-05)
+## [1.0.2](https://github.com/googleapis/python-cloud-common/compare/v1.0.1...v1.0.2) (2022-06-03)
+
+
+### Bug Fixes
+
+* **deps:** drop dependency packaging ([170234d](https://github.com/googleapis/python-cloud-common/commit/170234db68e087ecbcd5ff22176635e397c11f9a))
+* **deps:** require protobuf <4.0.0dev ([#58](https://github.com/googleapis/python-cloud-common/issues/58)) ([170234d](https://github.com/googleapis/python-cloud-common/commit/170234db68e087ecbcd5ff22176635e397c11f9a))
+
+## [1.0.1](https://github.com/googleapis/python-cloud-common/compare/v1.0.0...v1.0.1) (2022-03-05)
 
 
 ### Bug Fixes
diff --git a/docs/conf.py b/docs/conf.py
index ee77f02..a9e7c9e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -314,7 +314,13 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (root_doc, "google-cloud-common", "google-cloud-common Documentation", [author], 1,)
+    (
+        root_doc,
+        "google-cloud-common",
+        "google-cloud-common Documentation",
+        [author],
+        1,
+    )
 ]
 
 # If true, show URL addresses after external links.
@@ -355,7 +361,10 @@
 intersphinx_mapping = {
     "python": ("https://python.readthedocs.org/en/latest/", None),
     "google-auth": ("https://googleapis.dev/python/google-auth/latest/", None),
-    "google.api_core": ("https://googleapis.dev/python/google-api-core/latest/", None,),
+    "google.api_core": (
+        "https://googleapis.dev/python/google-api-core/latest/",
+        None,
+    ),
     "grpc": ("https://grpc.github.io/grpc/python/", None),
     "proto-plus": ("https://proto-plus-python.readthedocs.io/en/latest/", None),
     "protobuf": ("https://googleapis.dev/python/protobuf/latest/", None),
diff --git a/google/cloud/common/types/__init__.py b/google/cloud/common/types/__init__.py
index 4bc98fb..8f54304 100644
--- a/google/cloud/common/types/__init__.py
+++ b/google/cloud/common/types/__init__.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-from .operation_metadata import OperationMetadata
+from .operation_metadata import (
+    OperationMetadata,
+)
 
 __all__ = ("OperationMetadata",)
diff --git a/google/cloud/common/types/operation_metadata.py b/google/cloud/common/types/operation_metadata.py
index 02b32e6..e5778dc 100644
--- a/google/cloud/common/types/operation_metadata.py
+++ b/google/cloud/common/types/operation_metadata.py
@@ -19,7 +19,10 @@
 
 
 __protobuf__ = proto.module(
-    package="google.cloud.common", manifest={"OperationMetadata",},
+    package="google.cloud.common",
+    manifest={
+        "OperationMetadata",
+    },
 )
 
 
@@ -53,13 +56,36 @@ class OperationMetadata(proto.Message):
             operation.
     """
 
-    create_time = proto.Field(proto.MESSAGE, number=1, message=timestamp_pb2.Timestamp,)
-    end_time = proto.Field(proto.MESSAGE, number=2, message=timestamp_pb2.Timestamp,)
-    target = proto.Field(proto.STRING, number=3,)
-    verb = proto.Field(proto.STRING, number=4,)
-    status_detail = proto.Field(proto.STRING, number=5,)
-    cancel_requested = proto.Field(proto.BOOL, number=6,)
-    api_version = proto.Field(proto.STRING, number=7,)
+    create_time = proto.Field(
+        proto.MESSAGE,
+        number=1,
+        message=timestamp_pb2.Timestamp,
+    )
+    end_time = proto.Field(
+        proto.MESSAGE,
+        number=2,
+        message=timestamp_pb2.Timestamp,
+    )
+    target = proto.Field(
+        proto.STRING,
+        number=3,
+    )
+    verb = proto.Field(
+        proto.STRING,
+        number=4,
+    )
+    status_detail = proto.Field(
+        proto.STRING,
+        number=5,
+    )
+    cancel_requested = proto.Field(
+        proto.BOOL,
+        number=6,
+    )
+    api_version = proto.Field(
+        proto.STRING,
+        number=7,
+    )
 
 
 __all__ = tuple(sorted(__protobuf__.manifest))
diff --git a/noxfile.py b/noxfile.py
index 2a2001c..92da31f 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -20,16 +20,41 @@
 import os
 import pathlib
 import shutil
+import warnings
 
 import nox
 
-
-BLACK_VERSION = "black==19.10b0"
-BLACK_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
+BLACK_VERSION = "black==22.3.0"
+ISORT_VERSION = "isort==5.10.1"
+LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION = "3.8"
-SYSTEM_TEST_PYTHON_VERSIONS = ["3.8"]
+
 UNIT_TEST_PYTHON_VERSIONS = ["3.6", "3.7", "3.8", "3.9", "3.10"]
+UNIT_TEST_STANDARD_DEPENDENCIES = [
+    "mock",
+    "asyncmock",
+    "pytest",
+    "pytest-cov",
+    "pytest-asyncio",
+]
+UNIT_TEST_EXTERNAL_DEPENDENCIES = []
+UNIT_TEST_LOCAL_DEPENDENCIES = []
+UNIT_TEST_DEPENDENCIES = []
+UNIT_TEST_EXTRAS = []
+UNIT_TEST_EXTRAS_BY_PYTHON = {}
+
+SYSTEM_TEST_PYTHON_VERSIONS = ["3.8"]
+SYSTEM_TEST_STANDARD_DEPENDENCIES = [
+    "mock",
+    "pytest",
+    "google-cloud-testutils",
+]
+SYSTEM_TEST_EXTERNAL_DEPENDENCIES = []
+SYSTEM_TEST_LOCAL_DEPENDENCIES = []
+SYSTEM_TEST_DEPENDENCIES = []
+SYSTEM_TEST_EXTRAS = []
+SYSTEM_TEST_EXTRAS_BY_PYTHON = {}
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
 
@@ -57,7 +82,9 @@ def lint(session):
     """
     session.install("flake8", BLACK_VERSION)
     session.run(
-        "black", "--check", *BLACK_PATHS,
+        "black",
+        "--check",
+        *LINT_PATHS,
     )
     session.run("flake8", "google", "tests")
 
@@ -67,7 +94,28 @@ def blacken(session):
     """Run black. Format code to uniform standard."""
     session.install(BLACK_VERSION)
     session.run(
-        "black", *BLACK_PATHS,
+        "black",
+        *LINT_PATHS,
+    )
+
+
+@nox.session(python=DEFAULT_PYTHON_VERSION)
+def format(session):
+    """
+    Run isort to sort imports. Then run black
+    to format code to uniform standard.
+    """
+    session.install(BLACK_VERSION, ISORT_VERSION)
+    # Use the --fss option to sort imports using strict alphabetical order.
+    # See https://pycqa.github.io/isort/docs/configuration/options.html#force-sort-within-sections
+    session.run(
+        "isort",
+        "--fss",
+        *LINT_PATHS,
+    )
+    session.run(
+        "black",
+        *LINT_PATHS,
     )
 
 
@@ -78,23 +126,41 @@ def lint_setup_py(session):
     session.run("python", "setup.py", "check", "--restructuredtext", "--strict")
 
 
+def install_unittest_dependencies(session, *constraints):
+    standard_deps = UNIT_TEST_STANDARD_DEPENDENCIES + UNIT_TEST_DEPENDENCIES
+    session.install(*standard_deps, *constraints)
+
+    if UNIT_TEST_EXTERNAL_DEPENDENCIES:
+        warnings.warn(
+            "'unit_test_external_dependencies' is deprecated. Instead, please "
+            "use 'unit_test_dependencies' or 'unit_test_local_dependencies'.",
+            DeprecationWarning,
+        )
+        session.install(*UNIT_TEST_EXTERNAL_DEPENDENCIES, *constraints)
+
+    if UNIT_TEST_LOCAL_DEPENDENCIES:
+        session.install(*UNIT_TEST_LOCAL_DEPENDENCIES, *constraints)
+
+    if UNIT_TEST_EXTRAS_BY_PYTHON:
+        extras = UNIT_TEST_EXTRAS_BY_PYTHON.get(session.python, [])
+    elif UNIT_TEST_EXTRAS:
+        extras = UNIT_TEST_EXTRAS
+    else:
+        extras = []
+
+    if extras:
+        session.install("-e", f".[{','.join(extras)}]", *constraints)
+    else:
+        session.install("-e", ".", *constraints)
+
+
 def default(session):
     # Install all test dependencies, then install this package in-place.
 
     constraints_path = str(
         CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
     )
-    session.install(
-        "mock",
-        "asyncmock",
-        "pytest",
-        "pytest-cov",
-        "pytest-asyncio",
-        "-c",
-        constraints_path,
-    )
-
-    session.install("-e", ".", "-c", constraints_path)
+    install_unittest_dependencies(session, "-c", constraints_path)
 
     # Run py.test against the unit tests.
     session.run(
@@ -118,6 +184,35 @@ def unit(session):
     default(session)
 
 
+def install_systemtest_dependencies(session, *constraints):
+
+    # Use pre-release gRPC for system tests.
+    session.install("--pre", "grpcio")
+
+    session.install(*SYSTEM_TEST_STANDARD_DEPENDENCIES, *constraints)
+
+    if SYSTEM_TEST_EXTERNAL_DEPENDENCIES:
+        session.install(*SYSTEM_TEST_EXTERNAL_DEPENDENCIES, *constraints)
+
+    if SYSTEM_TEST_LOCAL_DEPENDENCIES:
+        session.install("-e", *SYSTEM_TEST_LOCAL_DEPENDENCIES, *constraints)
+
+    if SYSTEM_TEST_DEPENDENCIES:
+        session.install("-e", *SYSTEM_TEST_DEPENDENCIES, *constraints)
+
+    if SYSTEM_TEST_EXTRAS_BY_PYTHON:
+        extras = SYSTEM_TEST_EXTRAS_BY_PYTHON.get(session.python, [])
+    elif SYSTEM_TEST_EXTRAS:
+        extras = SYSTEM_TEST_EXTRAS
+    else:
+        extras = []
+
+    if extras:
+        session.install("-e", f".[{','.join(extras)}]", *constraints)
+    else:
+        session.install("-e", ".", *constraints)
+
+
 @nox.session(python=SYSTEM_TEST_PYTHON_VERSIONS)
 def system(session):
     """Run the system test suite."""
@@ -140,13 +235,7 @@ def system(session):
     if not system_test_exists and not system_test_folder_exists:
         session.skip("System tests were not found")
 
-    # Use pre-release gRPC for system tests.
-    session.install("--pre", "grpcio")
-
-    # Install all test dependencies, then install this package into the
-    # virtualenv's dist-packages.
-    session.install("mock", "pytest", "google-cloud-testutils", "-c", constraints_path)
-    session.install("-e", ".", "-c", constraints_path)
+    install_systemtest_dependencies(session, "-c", constraints_path)
 
     # Run py.test against the system tests.
     if system_test_exists:
diff --git a/owlbot.py b/owlbot.py
index e43b529..8707a29 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -39,6 +39,8 @@
 
 python.py_samples(skip_readmes=True)
 
+python.configure_previous_major_version_branches()
+
 # ----------------------------------------------------------------------------
 # Run blacken session
 # ----------------------------------------------------------------------------
diff --git a/scripts/readme-gen/readme_gen.py b/scripts/readme-gen/readme_gen.py
index d309d6e..91b5967 100644
--- a/scripts/readme-gen/readme_gen.py
+++ b/scripts/readme-gen/readme_gen.py
@@ -28,7 +28,10 @@
 jinja_env = jinja2.Environment(
     trim_blocks=True,
     loader=jinja2.FileSystemLoader(
-        os.path.abspath(os.path.join(os.path.dirname(__file__), 'templates'))))
+        os.path.abspath(os.path.join(os.path.dirname(__file__), "templates"))
+    ),
+    autoescape=True,
+)
 
 README_TMPL = jinja_env.get_template('README.tmpl.rst')
 
diff --git a/setup.py b/setup.py
index 55dfe7f..2819e37 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-common"
 description = "Google Cloud Common client library"
-version = "1.0.1"
+version = "1.0.2"
 release_status = "Development Status :: 5 - Production/Stable"
 url = "https://github.com/googleapis/python-cloud-common"
 dependencies = [
@@ -30,8 +30,8 @@
     # Until this issue is closed
     # https://github.com/googleapis/google-cloud-python/issues/10566
     "google-api-core[grpc] >= 1.31.5, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.0",
-    "proto-plus >= 1.15.0",
-    "packaging >= 14.3",
+    "proto-plus >= 1.15.0, <2.0.0dev",
+    "protobuf >= 3.19.0, <4.0.0dev",
 ]
 
 package_root = os.path.abspath(os.path.dirname(__file__))
diff --git a/testing/constraints-3.6.txt b/testing/constraints-3.6.txt
index e01269f..786e637 100644
--- a/testing/constraints-3.6.txt
+++ b/testing/constraints-3.6.txt
@@ -6,4 +6,4 @@
 # Then this file should have google-cloud-foo==1.14.0
 google-api-core==1.31.5
 proto-plus==1.15.0
-packaging==14.3
+protobuf==3.19.0
diff --git a/testing/constraints-3.7.txt b/testing/constraints-3.7.txt
index e69de29..786e637 100644
--- a/testing/constraints-3.7.txt
+++ b/testing/constraints-3.7.txt
@@ -0,0 +1,9 @@
+# This constraints file is used to check that lower bounds
+# are correct in setup.py
+# List all library dependencies and extras in this file.
+# Pin the version to the lower bound.
+# e.g., if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0dev",
+# Then this file should have google-cloud-foo==1.14.0
+google-api-core==1.31.5
+proto-plus==1.15.0
+protobuf==3.19.0