diff --git a/.github/workflows/build-docset.yml b/.github/workflows/build-docset.yml
index 31ca013..43710cc 100644
--- a/.github/workflows/build-docset.yml
+++ b/.github/workflows/build-docset.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.x"
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c1e0ee4..4f87c39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
@@ -82,7 +82,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version-file: .python-version-default
           cache: pip
@@ -118,7 +118,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           # Keep in sync with tox/docs and .readthedocs.yaml.
           python-version: "3.12"
@@ -132,7 +132,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version-file: .python-version-default
           cache: pip
@@ -149,7 +149,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version-file: .python-version-default
           cache: pip