diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index b32dd80f..c9beaceb 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -32,7 +32,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       - name: Install nox
         run: pip install nox
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 0c297573..ab72062f 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -38,7 +38,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, windows-latest, ubuntu-latest]
-        python-version: ["3.9", "3.13"]
+        python-version: ["3.9", "3.14"]
       fail-fast: false
     steps:
       - name: Checkout code
@@ -99,7 +99,7 @@ jobs:
       (github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]')
     strategy:
       matrix:
-        python-version: ["3.9", "3.13"]
+        python-version: ["3.9", "3.14"]
       fail-fast: false
     permissions:
       contents: read
diff --git a/noxfile.py b/noxfile.py
index ef368c27..5b045dfd 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -22,8 +22,8 @@
 ISORT_VERSION = "isort==5.13.2"
 LINT_PATHS = ["google", "tests", "noxfile.py"]
 
-SYSTEM_TEST_PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12", "3.13"]
-UNIT_TEST_PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12", "3.13"]
+SYSTEM_TEST_PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+UNIT_TEST_PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
 
 @nox.session
diff --git a/pyproject.toml b/pyproject.toml
index 7626715f..84de3daa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Operating System :: OS Independent",
 ]
 dependencies = [