diff --git a/.github/workflows/ci_install-pkg.yml b/.github/workflows/ci_install-pkg.yml
index d5fc3a1..3ad394e 100644
--- a/.github/workflows/ci_install-pkg.yml
+++ b/.github/workflows/ci_install-pkg.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.9
 
diff --git a/.github/workflows/ci_testing.yml b/.github/workflows/ci_testing.yml
index 562ae11..1a30c38 100644
--- a/.github/workflows/ci_testing.yml
+++ b/.github/workflows/ci_testing.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/code-format.yml b/.github/workflows/code-format.yml
index 05472a1..0bc2827 100644
--- a/.github/workflows/code-format.yml
+++ b/.github/workflows/code-format.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.8
       - name: Install mypy
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
 
       - name: set PY
         run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
diff --git a/.github/workflows/release-pypi.yml b/.github/workflows/release-pypi.yml
index 4f3109d..701a2b3 100644
--- a/.github/workflows/release-pypi.yml
+++ b/.github/workflows/release-pypi.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.8