diff --git a/.github/workflows/html-macos.yml b/.github/workflows/html-macos.yml
index 429b3332..74d04f71 100644
--- a/.github/workflows/html-macos.yml
+++ b/.github/workflows/html-macos.yml
@@ -16,7 +16,7 @@ jobs:
       run: |
         brew install pandoc
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3
     - name: Double-check Python version
diff --git a/.github/workflows/linkcheck.yml b/.github/workflows/linkcheck.yml
index b4045f77..a37d4a0f 100644
--- a/.github/workflows/linkcheck.yml
+++ b/.github/workflows/linkcheck.yml
@@ -17,7 +17,7 @@ jobs:
       run: |
         $APT_INSTALL pandoc
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: "3"
     - name: Show Python version
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5129983f..85f21df2 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: "3"
     - name: Install "build"
diff --git a/.github/workflows/version-matrix.yml b/.github/workflows/version-matrix.yml
index 2443a7bd..2e7d3467 100644
--- a/.github/workflows/version-matrix.yml
+++ b/.github/workflows/version-matrix.yml
@@ -52,7 +52,7 @@ jobs:
       run: |
         $APT_INSTALL pandoc librsvg2-bin
     - name: Set up Python ${{ env.PYTHON_VERSION }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ env.PYTHON_VERSION }}
     - name: Show Python version