diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 5c30a5e7..5306dfa4 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - name: Checkout
@@ -32,13 +32,13 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           enable-cache: true
-      # TODO: In the case of Python 3.13, the following error occurs, so install Python using setup-python.
+      # TODO: In the case of Python 3.13 and 3.14, the following error occurs, so install Python using setup-python.
       #   ../meson.build:44:2: ERROR: Problem encountered: Cannot compile
       #   `Python.h`. Perhaps you need to install python-dev|python-devel
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-        if: matrix.python-version == '3.13'
+        if: matrix.python-version == '3.13' || matrix.python-version == '3.14'
       - run: |
           make tool
 
diff --git a/pyproject.toml b/pyproject.toml
index 7588e79f..7d6d3397 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,6 +26,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 dynamic = ["version"]
 
@@ -150,7 +151,7 @@ exclude = [
 legacy_tox_ini = """
 [tox]
 isolated_build = true
-envlist = py{39,310,311,312,313}
+envlist = py{39,310,311,312,313,314}
 
 [gh-actions]
 python =
@@ -159,6 +160,7 @@ python =
     3.11: py311
     3.12: py312
     3.13: py313
+    3.14: py314
 
 [testenv]
 allowlist_externals =