diff --git a/.github/workflows/generate_tag.yml b/.github/workflows/generate_tag.yml
index 7bf2341..33c56ee 100644
--- a/.github/workflows/generate_tag.yml
+++ b/.github/workflows/generate_tag.yml
@@ -17,10 +17,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Set up Python 3.12
+    - name: Set up Python 3.13
       uses: actions/setup-python@v3
       with:
-        python-version: "3.12"
+        python-version: "3.13"
     - name: Setup poetry
       run: |
         curl -sSL https://install.python-poetry.org | python3 -
diff --git a/.github/workflows/python-pr.yml b/.github/workflows/python-pr.yml
index 68e9d79..8dd00b6 100644
--- a/.github/workflows/python-pr.yml
+++ b/.github/workflows/python-pr.yml
@@ -15,10 +15,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Set up Python 3.12
+    - name: Set up Python 3.13
       uses: actions/setup-python@v3
       with:
-        python-version: "3.12"
+        python-version: "3.13"
     - name: Setup poetry
       run: |
         curl -sSL https://install.python-poetry.org | python3 -
diff --git a/mise.toml b/mise.toml
index 6ebf9b4..e4ae1d5 100644
--- a/mise.toml
+++ b/mise.toml
@@ -1,5 +1,5 @@
 [tools]
-python = "3.12"
+python = "3.13"
 
 [tasks.main]
 description = "プログラムを実行する"
diff --git a/poetry.lock b/poetry.lock
index c293b44..3245148 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -694,5 +694,5 @@ zstd = ["zstandard (>=0.18.0)"]
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.12"
-content-hash = "ab86a783d358c18042cc9b62ffe5c065b2402d7068544fb9c8bf0fed820c9e7f"
+python-versions = "^3.13"
+content-hash = "e946597670f950ea6115054a4cb32640145cbe8c7a5b144370e0bc96e0de8801"
diff --git a/pyproject.toml b/pyproject.toml
index fda7ee3..c9fa2e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "python-starter"
-version = "1.2.0"
+version = "1.2.1"
 description = "Template for Python project"
 authors = ["negi524 <egtnrumpbiizarre.info@gmail.com>"]
 license = "MIT"
@@ -10,7 +10,7 @@ packages = [
   ]
 
 [tool.poetry.dependencies]
-python = "^3.12"
+python = "^3.13"
 requests = "^2.32"
 PyYAML = "^6.0"
 python-dotenv = "^1.0.0"