diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 5ae8db0..5a580aa 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -58,7 +58,7 @@ jobs:
 
       # Mirrors python-package.yml's setup step (same action SHA, same '3.x').
       - name: Set up Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
         with:
           python-version: '3.x'
 
@@ -95,7 +95,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
         with:
           python-version: '3.x'
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 065d3fe..14f8094 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -56,7 +56,7 @@ jobs:
           bash .github/scripts/check-version.sh "$EXPECTED"
 
       - name: Set up Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
         with:
           python-version: '3.x'
 
@@ -136,7 +136,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
         with:
           python-version: '3.x'
 
@@ -213,7 +213,7 @@ jobs:
       # OIDC trusted publishing: no PYPI_API_TOKEN; the action authenticates via the id-token and
       # uploads everything in dist/.
       - name: Publish to PyPI (Trusted Publishing)
-        uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33  # release/v1
+        uses: pypa/gh-action-pypi-publish@7245906fb61fa33a13554f9d5fb856fe61758086  # release/v1
 
       # After the PyPI upload and into sbom-out/, never dist/: the publish action uploads
       # everything in dist/, and the SBOM belongs on the GitHub Release only.
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 7e535dd..1febd0b 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -27,7 +27,7 @@ jobs:
       with:
         persist-credentials: false
     - name: Set up Python
-      uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+      uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
       with:
         python-version: '3.x'
     - name: Install dependencies
@@ -82,7 +82,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
         with:
           python-version: '3.x'
       - name: Set up Node.js (for the ML-KEM noble bridge)
diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 27c0551..1d8e5eb 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -24,7 +24,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+      - uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
         with:
           python-version: '3.11'
 
@@ -137,7 +137,7 @@ jobs:
         run: |
           brew install libsodium
 
-      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97  # v7.0.0
+      - uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0  # v7.1.0
         if: matrix.how == 'venv'
         with:
           python-version: '3.11'