diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index f5f58a0..faccd5c 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -9,10 +9,10 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
       with:
-        python-version: "3.13"
+        python-version: "3.14"
     - name: install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cbe7739..873bc6d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,16 +9,16 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - python: "3.13"
+          - python: "3.14"
             toxenv: flake8
             os: ubuntu-latest
-          - python: "3.13"
+          - python: "3.14"
             toxenv: mypy
             os: ubuntu-latest
-          - python: "3.13"
+          - python: "3.14"
             toxenv: pylint
             os: ubuntu-latest
-          - python: "3.13"
+          - python: "3.14"
             toxenv: black
             os: ubuntu-latest
 
@@ -34,6 +34,9 @@ jobs:
           - python: "3.13"
             toxenv: py313
             os: ubuntu-latest
+          - python: "3.14"
+            toxenv: py314
+            os: ubuntu-latest
 
           - python: "pypy3.10"
             toxenv: pypy310
@@ -42,11 +45,11 @@ jobs:
             toxenv: pypy311
             os: ubuntu-latest
 
-          - python: "3.13"
-            toxenv: py313
+          - python: "3.14"
+            toxenv: py314
             os: macos-latest
-          - python: "3.13"
-            toxenv: py313
+          - python: "3.14"
+            toxenv: py314
             os: windows-latest
 
     runs-on: ${{ matrix.os }}
diff --git a/tox.ini b/tox.ini
index 63928c6..082c98b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,11 +6,11 @@
 [tox]
 envlist =
     flake8, mypy, pylint, black
-    py{310,311,312,313},
+    py{310,311,312,313,314},
     pypy{310,311}
 
 [default]
-basepython=python3.13
+basepython=python3.14
 
 [testenv]
 description = run test
@@ -19,6 +19,7 @@ basepython =
     py311: python3.11
     py312: python3.12
     py313: python3.13
+    py314: python3.14
     pypy310: pypy3.10
     pypy311: pypy3.11
 deps =
@@ -59,5 +60,5 @@ commands = mypy
 description = check that comply with autoformating
 basepython = {[default]basepython}
 deps =
-    black
+    black==25.12.0
 commands = black --check --diff .