diff --git a/.github/sync-repo-settings.yaml b/.github/sync-repo-settings.yaml
index a570d4af..692ec5b6 100644
--- a/.github/sync-repo-settings.yaml
+++ b/.github/sync-repo-settings.yaml
@@ -16,6 +16,7 @@ branchProtectionRules:
     - 'unit (3.10)'
     - 'unit (3.11)'
     - 'unit (3.12)'
+    - 'unit (3.13)'
     - 'cover'
     - 'Kokoro'
     - 'Samples - Lint'
@@ -24,6 +25,7 @@ branchProtectionRules:
     - 'Samples - Python 3.10'
     - 'Samples - Python 3.11'
     - 'Samples - Python 3.12'
+    - 'Samples - Python 3.13'
 permissionRules:
   - team: actools-python
     permission: admin
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 107eac6b..4a4c5d93 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
     - name: Checkout
       uses: actions/checkout@v4
diff --git a/.kokoro/presubmit/system-3.12.cfg b/.kokoro/presubmit/system-3.13.cfg
similarity index 83%
rename from .kokoro/presubmit/system-3.12.cfg
rename to .kokoro/presubmit/system-3.13.cfg
index 28bbbe4c..3ec53cf9 100644
--- a/.kokoro/presubmit/system-3.12.cfg
+++ b/.kokoro/presubmit/system-3.13.cfg
@@ -3,5 +3,5 @@
 # Only run the following session(s)
 env_vars: {
   key: "NOX_SESSION"
-  value: "system-3.12"
-}
\ No newline at end of file
+  value: "system-3.13"
+}
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 620763e3..28f54669 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:
-  3.8, 3.9, 3.10, 3.11 and 3.12 on both UNIX and Windows.
+  3.8, 3.9, 3.10, 3.11, 3.12 and 3.13 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-3.12 -- -k <name of test>
+    $ nox -s unit-3.13 -- -k <name of test>
 
 
   .. note::
@@ -143,12 +143,12 @@ Running System Tests
    $ nox -s system
 
    # Run a single system test
-   $ nox -s system-3.12 -- -k <name of test>
+   $ nox -s system-3.13 -- -k <name of test>
 
 
   .. note::
 
-      System tests are only configured to run under Python 3.8, 3.9, 3.10, 3.11 and 3.12.
+      System tests are only configured to run under Python 3.8, 3.9, 3.10, 3.11, 3.12 and 3.13.
       For expediency, we do not run them in older versions of Python 3.
 
   This alone will not run the tests. You'll need to change some local
@@ -226,12 +226,14 @@ We support:
 -  `Python 3.10`_
 -  `Python 3.11`_
 -  `Python 3.12`_
+-  `Python 3.13`_
 
 .. _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/
+.. _Python 3.13: https://docs.python.org/3.13/
 
 
 Supported versions can be found in our ``noxfile.py`` `config`_.
diff --git a/noxfile.py b/noxfile.py
index 33923771..52bdcde1 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -35,7 +35,7 @@
 DEFAULT_PYTHON_VERSION = "3.10"
 
 
-UNIT_TEST_PYTHON_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+UNIT_TEST_PYTHON_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
@@ -57,7 +57,7 @@
     "3.9": [],
 }
 
-SYSTEM_TEST_PYTHON_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+SYSTEM_TEST_PYTHON_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "pytest",
diff --git a/owlbot.py b/owlbot.py
index 96a795c3..35e19fcf 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -35,8 +35,8 @@
 extras = ["tqdm", "geopandas"]
 templated_files = common.py_library(
     default_python_version="3.10",
-    unit_test_python_versions=["3.8", "3.9", "3.10", "3.11", "3.12"],
-    system_test_python_versions=["3.8", "3.9", "3.10", "3.11", "3.12"],
+    unit_test_python_versions=["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"],
+    system_test_python_versions=["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"],
     cov_level=96,
     unit_test_external_dependencies=["freezegun"],
     unit_test_extras=extras,
diff --git a/setup.py b/setup.py
index 6f84ef68..681a80aa 100644
--- a/setup.py
+++ b/setup.py
@@ -90,6 +90,7 @@
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Operating System :: OS Independent",
         "Topic :: Internet",
         "Topic :: Scientific/Engineering",
diff --git a/testing/constraints-3.13.txt b/testing/constraints-3.13.txt
new file mode 100644
index 00000000..e69de29b