diff --git a/.github/workflows/debug.yml b/.github/workflows/debug.yml
index c486863..f33e6a8 100644
--- a/.github/workflows/debug.yml
+++ b/.github/workflows/debug.yml
@@ -30,7 +30,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ github.event.inputs.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: sp
         with:
           python-version: ${{ github.event.inputs.python-version }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b22e073..90a0de2 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -49,7 +49,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: sp
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ee28668..5d31d9e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -41,7 +41,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       id: sp
       with:
         python-version: "3.12"  # for tomlib
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 964d8b1..3d3f857 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -114,7 +114,7 @@ jobs:
     - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}
       id: sp
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install uv
@@ -175,7 +175,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: sp
         with:
           python-version: ${{ matrix.python-version }}
@@ -274,7 +274,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: sp
         with:
           python-version: ${{ matrix.python-version }}
@@ -379,7 +379,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: sp
         with:
           python-version: ${{ matrix.python-version }}
@@ -481,7 +481,7 @@ jobs:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         id: sp
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install Emacs
@@ -551,7 +551,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: sp
         with:
           python-version: ${{ matrix.python-version }}
@@ -612,7 +612,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         id: sp
         with:
           python-version: ${{ matrix.python-version }}
@@ -654,7 +654,7 @@ jobs:
       contents: read
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         id: sp
         with:
           python-version: '3.12'