diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index ee94722..76d0baa 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:6e7328583be8edd3ba8f35311c76a1ecbc823010279ccb6ab46b7a76e25eafcc
+  digest: sha256:4370ced27a324687ede5da07132dcdc5381993502a5e8a3e31e16dc631d026f0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 179e88a..6e690bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-runtimeconfig/#history
 
+## [0.33.0](https://www.github.com/googleapis/python-runtimeconfig/compare/v0.32.6...v0.33.0) (2021-10-08)
+
+
+### Features
+
+* add support for Python 3.10 ([#114](https://www.github.com/googleapis/python-runtimeconfig/issues/114)) ([a8ca09f](https://www.github.com/googleapis/python-runtimeconfig/commit/a8ca09f0d7cfeaebcf308d260b865619b138feec))
+
 ### [0.32.6](https://www.github.com/googleapis/python-runtimeconfig/compare/v0.32.5...v0.32.6) (2021-10-05)
 
 
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 04e70b8..d828752 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:
-  3.6, 3.7, 3.8 and 3.9 on both UNIX and Windows.
+  3.6, 3.7, 3.8, 3.9 and 3.10 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-3.9 -- -k <name of test>
+    $ nox -s unit-3.10 -- -k <name of test>
 
 
   .. note::
@@ -225,11 +225,13 @@ We support:
 -  `Python 3.7`_
 -  `Python 3.8`_
 -  `Python 3.9`_
+-  `Python 3.10`_
 
 .. _Python 3.6: https://docs.python.org/3.6/
 .. _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/
 
 
 Supported versions can be found in our ``noxfile.py`` `config`_.
diff --git a/noxfile.py b/noxfile.py
index 935a924..2bb4cf7 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -29,7 +29,7 @@
 
 DEFAULT_PYTHON_VERSION = "3.8"
 SYSTEM_TEST_PYTHON_VERSIONS = ["3.8"]
-UNIT_TEST_PYTHON_VERSIONS = ["3.6", "3.7", "3.8", "3.9"]
+UNIT_TEST_PYTHON_VERSIONS = ["3.6", "3.7", "3.8", "3.9", "3.10"]
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
 
diff --git a/owlbot.py b/owlbot.py
index 23e4852..2674d74 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -25,7 +25,10 @@
 # ----------------------------------------------------------------------------
 # Add templated files
 # ----------------------------------------------------------------------------
-templated_files = common.py_library(microgenerator=True)
+templated_files = common.py_library(
+    microgenerator=True,
+    unit_test_python_versions=["3.6", "3.7", "3.8", "3.9", "3.10"],
+)
 
 # this is an http library, not grpc
 s.move(templated_files, excludes=["docs/multiprocessing.rst"])
diff --git a/setup.py b/setup.py
index 7eea4d3..8d60a03 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-runtimeconfig"
 description = "Google Cloud RuntimeConfig API client library"
-version = "0.32.6"
+version = "0.33.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'
@@ -76,6 +76,7 @@
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],