diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 453b540..773c1df 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:caffe0a9277daeccc4d1de5c9b55ebba0901b57c2f713ec9c876b0d4ec064f61
-# created: 2023-11-08T19:46:45.022803742Z
+  digest: sha256:2f155882785883336b4468d5218db737bb1d10c9cea7cb62219ad16fe248c03c
+# created: 2023-11-29T14:54:29.548172703Z
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 8057a76..a32027b 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
     - name: Checkout
       uses: actions/checkout@v3
diff --git a/.kokoro/noxfile.py b/.kokoro/noxfile.py
index 7c8a639..483b559 100644
--- a/.kokoro/noxfile.py
+++ b/.kokoro/noxfile.py
@@ -89,7 +89,7 @@ def get_pytest_env_vars() -> Dict[str, str]:
 
 # DO NOT EDIT - automatically generated.
 # All versions used to test samples.
-ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11"]
+ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
 # Any default versions that should be ignored.
 IGNORED_VERSIONS = TEST_CONFIG["ignored_versions"]
diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index 8957e21..e5c1ffc 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -93,30 +93,30 @@ colorlog==6.7.0 \
     # via
     #   gcp-docuploader
     #   nox
-cryptography==41.0.5 \
-    --hash=sha256:0c327cac00f082013c7c9fb6c46b7cc9fa3c288ca702c74773968173bda421bf \
-    --hash=sha256:0d2a6a598847c46e3e321a7aef8af1436f11c27f1254933746304ff014664d84 \
-    --hash=sha256:227ec057cd32a41c6651701abc0328135e472ed450f47c2766f23267b792a88e \
-    --hash=sha256:22892cc830d8b2c89ea60148227631bb96a7da0c1b722f2aac8824b1b7c0b6b8 \
-    --hash=sha256:392cb88b597247177172e02da6b7a63deeff1937fa6fec3bbf902ebd75d97ec7 \
-    --hash=sha256:3be3ca726e1572517d2bef99a818378bbcf7d7799d5372a46c79c29eb8d166c1 \
-    --hash=sha256:573eb7128cbca75f9157dcde974781209463ce56b5804983e11a1c462f0f4e88 \
-    --hash=sha256:580afc7b7216deeb87a098ef0674d6ee34ab55993140838b14c9b83312b37b86 \
-    --hash=sha256:5a70187954ba7292c7876734183e810b728b4f3965fbe571421cb2434d279179 \
-    --hash=sha256:73801ac9736741f220e20435f84ecec75ed70eda90f781a148f1bad546963d81 \
-    --hash=sha256:7d208c21e47940369accfc9e85f0de7693d9a5d843c2509b3846b2db170dfd20 \
-    --hash=sha256:8254962e6ba1f4d2090c44daf50a547cd5f0bf446dc658a8e5f8156cae0d8548 \
-    --hash=sha256:88417bff20162f635f24f849ab182b092697922088b477a7abd6664ddd82291d \
-    --hash=sha256:a48e74dad1fb349f3dc1d449ed88e0017d792997a7ad2ec9587ed17405667e6d \
-    --hash=sha256:b948e09fe5fb18517d99994184854ebd50b57248736fd4c720ad540560174ec5 \
-    --hash=sha256:c707f7afd813478e2019ae32a7c49cd932dd60ab2d2a93e796f68236b7e1fbf1 \
-    --hash=sha256:d38e6031e113b7421db1de0c1b1f7739564a88f1684c6b89234fbf6c11b75147 \
-    --hash=sha256:d3977f0e276f6f5bf245c403156673db103283266601405376f075c849a0b936 \
-    --hash=sha256:da6a0ff8f1016ccc7477e6339e1d50ce5f59b88905585f77193ebd5068f1e797 \
-    --hash=sha256:e270c04f4d9b5671ebcc792b3ba5d4488bf7c42c3c241a3748e2599776f29696 \
-    --hash=sha256:e886098619d3815e0ad5790c973afeee2c0e6e04b4da90b88e6bd06e2a0b1b72 \
-    --hash=sha256:ec3b055ff8f1dce8e6ef28f626e0972981475173d7973d63f271b29c8a2897da \
-    --hash=sha256:fba1e91467c65fe64a82c689dc6cf58151158993b13eb7a7f3f4b7f395636723
+cryptography==41.0.6 \
+    --hash=sha256:068bc551698c234742c40049e46840843f3d98ad7ce265fd2bd4ec0d11306596 \
+    --hash=sha256:0f27acb55a4e77b9be8d550d762b0513ef3fc658cd3eb15110ebbcbd626db12c \
+    --hash=sha256:2132d5865eea673fe6712c2ed5fb4fa49dba10768bb4cc798345748380ee3660 \
+    --hash=sha256:3288acccef021e3c3c10d58933f44e8602cf04dba96d9796d70d537bb2f4bbc4 \
+    --hash=sha256:35f3f288e83c3f6f10752467c48919a7a94b7d88cc00b0668372a0d2ad4f8ead \
+    --hash=sha256:398ae1fc711b5eb78e977daa3cbf47cec20f2c08c5da129b7a296055fbb22aed \
+    --hash=sha256:422e3e31d63743855e43e5a6fcc8b4acab860f560f9321b0ee6269cc7ed70cc3 \
+    --hash=sha256:48783b7e2bef51224020efb61b42704207dde583d7e371ef8fc2a5fb6c0aabc7 \
+    --hash=sha256:4d03186af98b1c01a4eda396b137f29e4e3fb0173e30f885e27acec8823c1b09 \
+    --hash=sha256:5daeb18e7886a358064a68dbcaf441c036cbdb7da52ae744e7b9207b04d3908c \
+    --hash=sha256:60e746b11b937911dc70d164060d28d273e31853bb359e2b2033c9e93e6f3c43 \
+    --hash=sha256:742ae5e9a2310e9dade7932f9576606836ed174da3c7d26bc3d3ab4bd49b9f65 \
+    --hash=sha256:7e00fb556bda398b99b0da289ce7053639d33b572847181d6483ad89835115f6 \
+    --hash=sha256:85abd057699b98fce40b41737afb234fef05c67e116f6f3650782c10862c43da \
+    --hash=sha256:8efb2af8d4ba9dbc9c9dd8f04d19a7abb5b49eab1f3694e7b5a16a5fc2856f5c \
+    --hash=sha256:ae236bb8760c1e55b7a39b6d4d32d2279bc6c7c8500b7d5a13b6fb9fc97be35b \
+    --hash=sha256:afda76d84b053923c27ede5edc1ed7d53e3c9f475ebaf63c68e69f1403c405a8 \
+    --hash=sha256:b27a7fd4229abef715e064269d98a7e2909ebf92eb6912a9603c7e14c181928c \
+    --hash=sha256:b648fe2a45e426aaee684ddca2632f62ec4613ef362f4d681a9a6283d10e079d \
+    --hash=sha256:c5a550dc7a3b50b116323e3d376241829fd326ac47bc195e04eb33a8170902a9 \
+    --hash=sha256:da46e2b5df770070412c46f87bac0849b8d685c5f2679771de277a422c7d0b86 \
+    --hash=sha256:f39812f70fc5c71a15aa3c97b2bbe213c3f2a460b79bd21c40d033bb34a9bf36 \
+    --hash=sha256:ff369dd19e8fe0528b02e8df9f2aeb2479f89b1270d90f96a63500afe9af5cae
     # via
     #   gcp-releasetool
     #   secretstorage
diff --git a/.kokoro/samples/python3.12/common.cfg b/.kokoro/samples/python3.12/common.cfg
new file mode 100644
index 0000000..e897cb6
--- /dev/null
+++ b/.kokoro/samples/python3.12/common.cfg
@@ -0,0 +1,40 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Build logs will be here
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.xml"
+  }
+}
+
+# Specify which tests to run
+env_vars: {
+    key: "RUN_TESTS_SESSION"
+    value: "py-3.12"
+}
+
+# Declare build specific Cloud project.
+env_vars: {
+    key: "BUILD_SPECIFIC_GCLOUD_PROJECT"
+    value: "python-docs-samples-tests-312"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-runtimeconfig/.kokoro/test-samples.sh"
+}
+
+# Configure the docker image for kokoro-trampoline.
+env_vars: {
+    key: "TRAMPOLINE_IMAGE"
+    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
+}
+
+# Download secrets for samples
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
+
+# Download trampoline resources.
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
+
+# Use the trampoline script to run in docker.
+build_file: "python-runtimeconfig/.kokoro/trampoline_v2.sh"
\ No newline at end of file
diff --git a/.kokoro/samples/python3.12/continuous.cfg b/.kokoro/samples/python3.12/continuous.cfg
new file mode 100644
index 0000000..a1c8d97
--- /dev/null
+++ b/.kokoro/samples/python3.12/continuous.cfg
@@ -0,0 +1,6 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
\ No newline at end of file
diff --git a/.kokoro/samples/python3.12/periodic-head.cfg b/.kokoro/samples/python3.12/periodic-head.cfg
new file mode 100644
index 0000000..5a7e3f1
--- /dev/null
+++ b/.kokoro/samples/python3.12/periodic-head.cfg
@@ -0,0 +1,11 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-runtimeconfig/.kokoro/test-samples-against-head.sh"
+}
diff --git a/.kokoro/samples/python3.12/periodic.cfg b/.kokoro/samples/python3.12/periodic.cfg
new file mode 100644
index 0000000..71cd1e5
--- /dev/null
+++ b/.kokoro/samples/python3.12/periodic.cfg
@@ -0,0 +1,6 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "False"
+}
diff --git a/.kokoro/samples/python3.12/presubmit.cfg b/.kokoro/samples/python3.12/presubmit.cfg
new file mode 100644
index 0000000..a1c8d97
--- /dev/null
+++ b/.kokoro/samples/python3.12/presubmit.cfg
@@ -0,0 +1,6 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index be42da8..5f0581e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,19 @@
 
 [1]: https://pypi.org/project/google-cloud-runtimeconfig/#history
 
+## [0.34.0](https://github.com/googleapis/python-runtimeconfig/compare/v0.33.3...v0.34.0) (2023-12-07)
+
+
+### Features
+
+* Add support for Python 3.12 ([a565b8e](https://github.com/googleapis/python-runtimeconfig/commit/a565b8ef0b2d0c78d28a2fb68732fe60daa9b78e))
+* Introduce compatibility with native namespace packages ([#231](https://github.com/googleapis/python-runtimeconfig/issues/231)) ([1aaee60](https://github.com/googleapis/python-runtimeconfig/commit/1aaee609a9ae2c89079719f69c10d81a6b4e79c1))
+
+
+### Bug Fixes
+
+* Use version.py instead of pkg_resources.get_distribution ([#184](https://github.com/googleapis/python-runtimeconfig/issues/184)) ([2a7b9d0](https://github.com/googleapis/python-runtimeconfig/commit/2a7b9d04a27833f0bb0813b16842554005bfa847))
+
 ## [0.33.3](https://github.com/googleapis/python-runtimeconfig/compare/v0.33.2...v0.33.3) (2023-11-09)
 
 
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 79681a4..1cc48f3 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -22,7 +22,7 @@ In order to add a feature:
   documentation.
 
 - The feature must work fully on the following CPython versions:
-  3.7, 3.8, 3.9, 3.10 and 3.11 on both UNIX and Windows.
+  3.7, 3.8, 3.9, 3.10, 3.11 and 3.12 on both UNIX and Windows.
 
 - The feature must not add unnecessary dependencies (where
   "unnecessary" is of course subjective, but new dependencies should
@@ -72,7 +72,7 @@ We use `nox <https://nox.readthedocs.io/en/latest/>`__ to instrument our tests.
 
 - To run a single unit test::
 
-    $ nox -s unit-3.11 -- -k <name of test>
+    $ nox -s unit-3.12 -- -k <name of test>
 
 
   .. note::
@@ -226,12 +226,14 @@ We support:
 -  `Python 3.9`_
 -  `Python 3.10`_
 -  `Python 3.11`_
+-  `Python 3.12`_
 
 .. _Python 3.7: https://docs.python.org/3.7/
 .. _Python 3.8: https://docs.python.org/3.8/
 .. _Python 3.9: https://docs.python.org/3.9/
 .. _Python 3.10: https://docs.python.org/3.10/
 .. _Python 3.11: https://docs.python.org/3.11/
+.. _Python 3.12: https://docs.python.org/3.12/
 
 
 Supported versions can be found in our ``noxfile.py`` `config`_.
diff --git a/google/cloud/__init__.py b/google/cloud/__init__.py
deleted file mode 100644
index 0e1bc51..0000000
--- a/google/cloud/__init__.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright 2016 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.
-
-try:
-    import pkg_resources
-
-    pkg_resources.declare_namespace(__name__)
-except ImportError:
-    import pkgutil
-
-    __path__ = pkgutil.extend_path(__path__, __name__)
diff --git a/google/cloud/runtimeconfig/__init__.py b/google/cloud/runtimeconfig/__init__.py
index 5078041..3772e8f 100644
--- a/google/cloud/runtimeconfig/__init__.py
+++ b/google/cloud/runtimeconfig/__init__.py
@@ -15,9 +15,9 @@
 """Google Cloud Runtime Configurator API package."""
 
 
-from pkg_resources import get_distribution
+from google.cloud.runtimeconfig import version as runtimeconfig_version
 
-__version__ = get_distribution("google-cloud-runtimeconfig").version
+__version__ = runtimeconfig_version.__version__
 
 from google.cloud.runtimeconfig.client import Client
 
diff --git a/google/__init__.py b/google/cloud/runtimeconfig/version.py
similarity index 73%
rename from google/__init__.py
rename to google/cloud/runtimeconfig/version.py
index 0e1bc51..838ea01 100644
--- a/google/__init__.py
+++ b/google/cloud/runtimeconfig/version.py
@@ -1,4 +1,4 @@
-# Copyright 2016 Google LLC
+# Copyright 2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,11 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-try:
-    import pkg_resources
-
-    pkg_resources.declare_namespace(__name__)
-except ImportError:
-    import pkgutil
-
-    __path__ = pkgutil.extend_path(__path__, __name__)
+__version__ = "0.34.0"
diff --git a/noxfile.py b/noxfile.py
index 91389c3..c672b30 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -34,7 +34,7 @@
 
 DEFAULT_PYTHON_VERSION = "3.8"
 
-UNIT_TEST_PYTHON_VERSIONS: List[str] = ["3.7", "3.8", "3.9", "3.10", "3.11"]
+UNIT_TEST_PYTHON_VERSIONS: List[str] = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..b7474b0
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,11 @@
+[pytest]
+filterwarnings =
+    # treat all warnings as errors
+    error
+    # Remove once release PR https://github.com/googleapis/python-api-common-protos/pull/191 is merged
+    ignore:.*pkg_resources.declare_namespace:DeprecationWarning
+    ignore:.*pkg_resources is deprecated as an API:DeprecationWarning
+    # Remove once https://github.com/protocolbuffers/protobuf/issues/12186 is fixed
+    ignore:.*custom tp_new.*in Python 3.14:DeprecationWarning
+    # Remove after support for Python 3.7 is dropped
+    ignore:After January 1, 2024, new releases of this library will drop support for Python 3.7:DeprecationWarning
diff --git a/setup.py b/setup.py
index eab5647..fcd9b6c 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,13 @@
 
 name = "google-cloud-runtimeconfig"
 description = "Google Cloud RuntimeConfig API client library"
-version = "0.33.3"
+
+version = {}
+with open("google/cloud/runtimeconfig/version.py") as fp:
+    exec(fp.read(), version)
+version = version["__version__"]
+
+
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'
@@ -48,15 +54,11 @@
 # Only include packages under the 'google' namespace. Do not include tests,
 # benchmarks, etc.
 packages = [
-    package for package in setuptools.find_packages() if package.startswith("google")
+    package
+    for package in setuptools.find_namespace_packages()
+    if package.startswith("google")
 ]
 
-# Determine which namespaces are needed.
-namespaces = ["google"]
-if "google.cloud" in packages:
-    namespaces.append("google.cloud")
-
-
 setuptools.setup(
     name=name,
     version=version,
@@ -77,12 +79,12 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],
     platforms="Posix; MacOS X; Windows",
     packages=packages,
-    namespace_packages=namespaces,
     install_requires=dependencies,
     extras_require=extras,
     python_requires=">=3.7",
diff --git a/testing/constraints-3.12.txt b/testing/constraints-3.12.txt
new file mode 100644
index 0000000..e69de29
diff --git a/tests/unit/test_packaging.py b/tests/unit/test_packaging.py
new file mode 100644
index 0000000..8b66a6a
--- /dev/null
+++ b/tests/unit/test_packaging.py
@@ -0,0 +1,37 @@
+# Copyright 2023 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.
+
+import os
+import subprocess
+import sys
+
+
+def test_namespace_package_compat(tmp_path):
+    # The ``google`` namespace package should not be masked
+    # by the presence of ``google-cloud-runtimeconfig``.
+    google = tmp_path / "google"
+    google.mkdir()
+    google.joinpath("othermod.py").write_text("")
+    env = dict(os.environ, PYTHONPATH=str(tmp_path))
+    cmd = [sys.executable, "-m", "google.othermod"]
+    subprocess.check_call(cmd, env=env)
+
+    # The ``google.cloud`` namespace package should not be masked
+    # by the presence of ``google-cloud-runtimeconfig``.
+    google_cloud = tmp_path / "google" / "cloud"
+    google_cloud.mkdir()
+    google_cloud.joinpath("othermod.py").write_text("")
+    env = dict(os.environ, PYTHONPATH=str(tmp_path))
+    cmd = [sys.executable, "-m", "google.cloud.othermod"]
+    subprocess.check_call(cmd, env=env)